1. Statistics

    . According to the U.S. Census Bureau, the probability that a randomly selected head of household in the United States earns more than $100,000 per year is 0.202. The probability that a randomly selected head of household in the United States earns more than $100,000 per year...
  2. Math

    . According to the U.S. Census Bureau, the probability that a randomly selected head of household in the United States earns more than $100,000 per year is 0.202. The probability that a randomly selected head of household in the United States earns more than $100,000 per year...
  3. Stats- NEED HELP

    According to the Census Bureau publication Current Population Reports, the probability distribution for household size (number of people per household, say X) in the United States is as follows. For the purpose of the next two questions, the experiment consists of randomly ...
  4. Stats- need someone to check

    Doing this assignment and was wondering if i got the right answers According to the Census Bureau publication Current Population Reports, the probability distribution for household size (number of people per household, say X) in the United States is as follows. For the purpose...
  5. Math

    Of households in the United States, 18 million, or 16%, have three or more vehicles, as stated in USA Today (June 12, 2002), quoting the Census Bureau as the source. (a) If two U.S. households are randomly selected, find the probability that both will have three or more ...
  6. Statistics

    based on a study by Dr.P. Sorita Soni at Indiana University, we know that the eye colors in the United States are distributed as follows: 42% brown, 35% blue, 11% green, 6% gray, and 6% hazel b) identify onw factor that might make this particular sample biased and not ...
  7. Math

    According to the U. S. Census Bureau, the total 2008 U.S. population was 303,824,640. The chart below summarizes the 2008 population for five U.S. States. U. S. State 2008 Population Alaska 686,293 California 36,756,666 Hawaii 1,288,198 Idaho 1,523,816 Indiana 6,376,792 SOURCE...
  8. probability

    10. The probability that a randomly selected individual in a country earns more than 75,000 per is 11.5%. the probability that a randomly selected individual in a country earns more than 75,000 per year, given that the individual has earned a bacholer’s degree is 11.5%. The ...
  9. finite math

    The probability that a randomly selected individual in a country earns more than 75,000 per is 10.5%. the probability that a randomly selected individual in a country earns more than 75,000 per year, given that the individual has earned a bacholer’s degree is 21.5%. The ...
  10. statistic

    Suppose that the distribution of household incomes in the United States is approximately normal with a mean of 69.8 thousand dollars, and a standard deviation of 15 thousand dollars. a) Find the probability that a randomly selected household would have an income between 66 and...
  11. Statistics

    If 12 women are randomly selected, what is the probability that their mean head circumference is between 21.8 in and 22.8 in.? If this probability is high does it suggest that an order of 12 hats will very likely for each of 12 randomly selected women? Why or why not? Assume ...
  12. Algebra 2

    According to the US Census Bureau, the population of the United States has been growing at an average rate of approximately 2% per year. The census is taken every 10 years, and the population in 1980 was estimated at 226 million people. *If the rate of population growth in the...
  13. Economics (36)

    For borrowers with good credit scores, the mean debt for revolving and installment accounts is $15,015 (BusinessWeek, March 20, 2006). Assume the standard deviation is $3,730 and that debt amounts are normally distributed. a. What is the probability that the debt for a ...
  14. Economics (36)

    For borrowers with good credit scores, the mean debt for revolving and installment accounts is $15,015 (BusinessWeek, March 20, 2006). Assume the standard deviation is $3,730 and that debt amounts are normally distributed. a. What is the probability that the debt for a ...
  15. Statistics (36)

    For borrowers with good credit scores, the mean debt for revolving and installment accounts is $15,015 (BusinessWeek, March 20, 2006). Assume the standard deviation is $3,730 and that debt amounts are normally distributed. a. What is the probability that the debt for a ...
  16. probability

    n 1980 (before the era of in-vitro fertilization), there were 3,612,258 births in the United States (according to the U.S. Census Bureau), of which 68,339 births were to twins and 1,337 births were to triplets or more. What was the probability of having multiples (twins or ...
  17. finite

    The probability that a randomly selected 2 year old feral cat will live to be 3 years old is 0.73877. A) what is the probability that 2 randomly selected 2 year old cats will live to be 3? B) what is the probability that 7 will live to be 3?
  18. math statistics/probability

    can anyone show me how to work this problem out thanks in advance The Census Bureau provides data on the number of young adults, ages 18–24, who are living in their parents' home (the data include single young adults who are living in college dormitories because it is ...
  19. Statistics

    A life insurance company sells a term insurance policy to a 21-year-old male that pays $100,000 if the insured dies within the next 5 years. The probability that a randomly chosen male will die each year can be found in mortality tables. The company collects a premium of $250 ...
  20. math statistics/probability

    Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem In an article about investment growth, Money magazine reported that drug stocks show powerful long-term trends and offer investors unparalleled potential for strong and steady ...
  21. Sampling Distribution Complete solutions and illus

    Sampling Distribution Complete solutions and illustrations are required. 1.The average annual salary for all U.S. teachers is $29,863. Assume that the distribution is normal and the standard deviation is $5,200. a.Find the probability that a randomly selected teacher earns at ...
  22. statistics

    The data set represents the income levels of the members of a country club. Estimate the probability that a randomly selected member earns at least $98,000. 112,000 126,000 90,000 133,000 94,000 112,000 98,000 82,000 147,000 182,000 86,000 105,000 140,000 94,000 126,000 119,...
  23. math

    The data set represents the income levels of the members of a country club. Estimate the probability that a randomly selected member earns at least $98,000. 112,000 126,000 90,000 133,000 94,000 112,000 98,000 82,000 147,000 182,000 86,000 105,000 140,000 94,000 126,000 119,...
  24. Statistics

    The probability that a randomly selected two-year-old male stinkbug will live to be three years old is .59963 what is the probability that to randomly selected two-year-old male stinkbugs will live to be three years old? What is the probability that for randomly selected two-...
  25. math

    Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem In an article about investment growth, Money magazine reported that drug stocks show powerful long-term trends and offer investors unparalleled potential for strong and steady ...
  26. math

    Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem In an article about investment growth, Money magazine reported that drug stocks show powerful long-term trends and offer investors unparalleled potential for strong and steady ...
  27. math statistics

    Hello I am having trouble trying to figure out how to do this probability word problem: In an article about investment growth, Money magazine reported that drug stocks show powerful long-term trends and offer investors unparalleled potential for strong and steady gains. The ...
  28. college math statistics

    Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem In an article about investment growth, Money magazine reported that drug stocks show powerful long-term trends and offer investors unparalleled potential for strong and steady ...
  29. math

    Test scores on a university admissions test are normally distributed, with a mean of 500 and a standard deviation of 100. a. What is the probability that a randomly selected applicant scores between 425 and 575? b. What is the probability that a randomly selected applicant ...
  30. math

    2) In a certain instant lottery game, the chances of a win stated as "3 in 23". Express the indicated degree of likelihood as a probability value between 0 and 1 3) A certain company reduced its management staff from 20 managers to 16. The company claimed that 4 managers were ...
  31. math

    can anyone show me how to work this problem out thanks in advance The Census Bureau provides data on the number of young adults, ages 18–24, who are living in their parents' home (the data include single young adults who are living in college dormitories because it is ...
  32. finite

    the probability that a randomly selected 4 year old male feral cat will live to be 5 years old is 0.87886. (a)what is the probability that two randomly selected male 4 yr old cats will live to be 5.(b) what is the probability that six randomly selected male cats will live to ...
  33. Math- Probability

    in a recent year, 281 of the 290,789,000 people in the U.S. were struck by lightning. estimate the probability that a randomly selected person in the U.S would be struck by lightning this year.
  34. statistics math

    The unemployment rate is 5.8% (Bureau of Labor Statistics, April 3, 2003). Suppose that 100 employable people are selected randomly. 1)What is the probability that exactly six people are unemployed (to 4 decimals)? 2)What is the probability that exactly six people are ...
  35. What is the probability that a randomly

    Here is the probability model for the blood type of a randomly chosen person in the United States. Blood type O A B AB Probability 0.5 0.18 0.03 0.29 What is the probability that a randomly chosen American does not have type O blood? % Round to the nearest 0.01%
  36. math (stats)

    According to Masterfoods, the company that manufactures M&M’s, 12% of peanut M&M’s are brown, 15% are yellow, 12% are red, 23% are blue, 23% are orange and 15% are green. [Round your answers to three decimal places, for example: 0.123] Compute the probability that a ...
  37. Math

    According to the Department of Health and Human Services, 30% of 18- to 25-year-olds have some form of mental illness. (a) What is the probability two randomly selected 18- to 25-year-olds have some form of mental illness? (b) What is the probability six randomly selected 18- ...
  38. Probability

    Assume that each month the average Canadian household generates an average of 13kg of newspaper for garbage or recycling with a standard deviation of 1kg. What is the probability that a randomly selected household generates between 12 and 15 kg of newspaper per month? A) 23.08...
  39. finite math

    The probability that a 3-year old garter snake will reach 4 years old is 0.62719. (a) what is the probability that two randomly selected will reach 4 years old? What is the probability that five randomly selected 3 year old garter snakes will reach 4 years old?
  40. finite math

    The probability that a 3-year old garter snake will reach 4 years old is 0.62719. (a) what is the probability that two randomly selected will reach 4 years old? What is the probability that five randomly selected 3 year old garter snakes will reach 4 years old?
  41. finite math

    The probability that a 3-year old garter snake will reach 4 years old is 0.94461. (a) what is the probability that two randomly selected will reach 4 years old? What is the probability that five randomly selected 3 year old garter snakes will reach 4 years old?
  42. Statistics

    An industrial engineer has found that the standard household light bulbs produced by a certain manufacturer have a useful life that is normally distributed with a mean of 250 hours and a variance of 2500. (a) What is the probability that a randomly selected bulb from this ...
  43. Statistics

    According to Pew Research, the contact rate (probability of contacting a selected household) in 1997 was 69% and in 2003 was 76%. However, the cooperation rate (proability of someone at the contacted household agreeing to be interviewed) was 58% in 1997 and dropped to 38% in ...
  44. Probability

    This is an example question, but I'm not sure how my instructor came up with the answer. Could anyone explain in detail please. Among the contestants in a competition are 49 women and 29 men. If 5 winners are randomly selected, what is the probability that they are all men. ...
  45. math

    Of the 400 doctors who attended a conference, 240 practiced family medicine and 130 were from countries outside the United States. One-third of the family medicine doctors were not from the united states. What is the probability that randomly selected doctor at the conference ...
  46. Statistics

    I have gotten the concept of probability but the following question has really stumped me. Help please. The probability that a tomato seed will germinate is 0.9. Estimate the probability that of 100 randomly selected seeds, at least 86, but no more than 91 of them will germinate.
  47. Math urgent..............help.....

    the table below shows the registered Democrats and Rebuplicans in a school Women men Democrates 152 88 Republicans 98 122 a) find the probbility that a randomly selected person from the school is a male republican. b) find the probbility that a randomly selected person from ...
  48. Probability

    If three people are randomly selected, find the probability that they will all have birthdays on the same day of the year.
  49. Statistics

    An automatic machine in a manufacturing process is operating properly if the length of an important subcomponent is normally distributed with a mean μ = 80 cm and a standard deviation σ = 2 cm. a) Find the probability that the length of one randomly selected unit is ...
  50. probability

    Suppose that the probability is 1 in 3,900,000 that a single auto trip in the United States will result in the death of the driver. Over a lifetime, an average U.S. driver takes 50,000 trips. Assume that events are independent: (a) What is the probability of such a driver ...
  51. Probability

    Suppose that the probability is 1 in 3,900,000 that a single auto trip in the United States will result in the death of the driver. Over a lifetime, an average U.S. driver takes 50,000 trips. Assume that events are independent: (a) What is the probability of such a driver ...
  52. I am having trouble with this homework question ,

    Here is the probability model for the blood type of a randomly chosen person in the United States. Blood type O A B AB Probability 0.53 0.21 0.03 0.23 What is the probability that a randomly chosen American does not have type O blood? % Round to the nearest 0.01%
  53. math

    The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For these questions, assume these values are not changing from year to year, and that the population of the United States is 312 million people. Cause Deaths Passenger car occupant 13,...
  54. statistics

    A study found that 81% of households in the United States have computers. Of those 81%, 92% have Internet access. Find the probability that a U.S. household selected at random has a computer and has Internet access.
  55. statistics

    Shown below are rental and leasing revenue figures for office machinery and equipment in the United States over a sever-year period according to the U.S. Census Bureau. Use these data to run a linear regression and then forecast the rental and leasing revenue for the year 2012...
  56. Statistics

    The probability of a randomly selected car crashing during a year in a certain country is .0479. If a family has three cars, find the probability that at least one of them has a car crash during a year.
  57. Statistics/Probability

    Assume that women’s heights are normally distributed with a mean given by μ = 63.4 in, and a standard deviation given by σ = 2.3 in. (a) If 1 woman is randomly selected, find the probability that her height is less than 64 in. (b) If 43 women are randomly selected...
  58. Math/Statistics

    According to the U.S. census bureau, the total 2008 U.S. population was 303,824,640. The chart below summarizes the 2008 population for five U.S. States: Missouri 5,911,605 Pennsylvania 12,448,279 Tennessee 6,214,888 Utah 2,736,424 Washington 6,549,224 What is the probability ...
  59. mekele

    Assume that you recently recived a job with a company that manufactures an automobile antitheft device . To conduct an advertising campaign for the product, you need to make a claim about the number of automobile tefts per year. Since the population of various cities varies, ...
  60. stats

    Test scores on a university admissions test are normally distributed, with a mean of 500 and a standard deviation of 100. 4 marks a. What is the probability that a randomly selected applicant scores between 425 and 575? 4 marks b. What is the probability that a randomly ...
  61. Math

    According to the U.S. Census Bureau's most recent data on the marital status of the 242 million Americans aged 15 years and older, 124.2 million are currently married and 74.5 million have never been married. If one person from these 242 million persons is selected at random, ...
  62. statistics

    An auditor of Health Maintenance Services reports 40 percent of policyholders 55 years and older submit a claim during the year. Fifteen policyholders are selected at random for company records. a)how many of the policyholders would you expect to have filed a claim within the ...
  63. PROBABILITY

    5.70 The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) What is the probability of a fatal accident over a lifetime? Explain your reasoning carefully. Hint: ...
  64. Statistics

    Scores on a visual perception test are normally distributed with a mean of 2020 and a standard deviation of 250. a)If one subject is randomly selected and tested, find the probability of a score greater than 1800 b)if 50 subjects are randomly selected and tested fid the ...
  65. statistics

    Scores on a visual perception test are normally distributed with a mean of 2020 and a standard deviation of 250. a)If one subject is randomly selected and tested, find the probability of a score greater than 1800 b)if 50 subjects are randomly selected and tested fid the ...
  66. Statistics

    The weight of a randomly selected shipping container follows an unknown distribution with mean 12 tons and standard deviation 2 tons. Your cargo ship always carries a load of 100 randomly selected shipping containers. a. What is the probability the load weighs more than 1,231 ...
  67. probability problem

    The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) What is the probability of a fatal accident over a lifetime? Explain your reasoning carefully. Hint: Assume...
  68. Statistics

    Suppose that the birth weight of newborn babies in the U.S is normally distributed with a mean of 7 pounds and a standard deviation of 1.6 pounds. Let the random variable X be the birth weight of a randomly selected record of live birth. a) What is the distribution of X? b) ...
  69. MATH (PROBABILITY)

    According to Nielsen Media Research, approximately 52% of all U.S. households have digital cable television. In addition, 84% of all U.S. households have multiple TV sets. Suppose 45% of all U.S. households have digital cable television and have multiple TV sets. A U.S. ...
  70. statistics

    The average height for Chinese women is 62.5 inches with a standard deviation of 4.6 inches. What is the probability that a randomly selected woman in the United States would be ≥69 inches tall?
  71. probabilityv

    A school's administrators are concerned about absenteeism at their school and the e ect it has on students' grades. The following data were compiled, based on a sample of students. Student's Absent Medium Absent Grade Infrequently Absent Frequently Low 1 9 8 Medium 6 35 7 High...
  72. Statistics

    Suppose that the probability is 1 in 3,900,000 that a single auto trip in the United States will result in the death of the driver. Over a lifetime, an average U.S. driver takes 50,000 trips. Assume that events are independent: (a) What is the probability of such a driver ...
  73. statistics

    A Gallup poll of 1236 adults showed that 12% of the respondents believe that it is bad luck to walk under a ladder. Consider the probability that among 30 randomly selected people from 1236 who were polled, there are at least 2 who have that belief. Given that the subjects ...
  74. Geometry

    In the 2001 population census, information was collected about the number of people in each household, which is denoted by X. It is given that P(X=1) = 0.25, P(X=2) = 0.32, P(X=3) = 0.18, P(X=4) = 0.15, P(X=5) = 0.07, P(X=6) = 0.02 and P(X\geq 7) = 0.01. If R is the ...
  75. math

    The results of a recent television survey of American TV households revealed that 80 out of every 100 TV households have at least one remote control. What is the probability that a randomly selected TV household does not have at least one remote control?
  76. balls in a bowl probability

    Bowl one contains 3 black and 2 white balls. Bowl two contains 4 black and 5 white balls. Experiment: A ball is randomly selected from bowl one, its color noted, and it is placed in bowl two. Then a ball is randomly selected from bowl two. a.) What is the probability that the ...
  77. Probability

    A survey of 1,200 men and women asked, "Do you earn over $75,000 per year?" The table below shows the responses for males and females. Male Female Total Income over $75,000 585 485 1,070 Income below $75,000 65 65 130 Total 650 550 1200 Based on these data, are "being female" ...
  78. Statistics

    The average teacher's salary in North Dakota is $41,027. Assume a normal distribution with standard deviation of $5200. A. what is the probability that a randomly selected teachers salary is less than 40,000? B. What is the probability that the mean for a sample of 80 teachers...
  79. stats

    This week we practice with Binomial Distribution. You can use Appendix Table E or Excel Function Binomdist. About 30% of adults in United States have college degree. (probability that person has college degree is p = 0.30). If N adults are randomly selected, find probabilities...
  80. 8th grade math

    According to the U.S. Census Bureau, in 2009 men comprised an estimated 93.2% of the veterans in the United States. What is the number of women veterans in the United States in 2009? Express your answer to the nearest whole number.
  81. statistics

    The mayor of the town of Quahog, Rhode Island, Adam West, conducted a study to determine the mean household income of his constituents. The study surveyed 500 households and determined that the sample mean was $30,000. The population standard deviation is $4,800. If a ...
  82. statistics

    Based on data from the National Health and Nutrition Examination Survey assume that the weights of men are normally distributed with a mean of 170 lbs. and a standard deviation of 30lbs. a. Find the probability that a man randomly selected from the above population will have a...
  83. Statistics

    Assume that X, the starting salary offer to psychology majors is normally distributed with a mean of $47,507 and a SD of $5000. 1. The probability that a randomly selected psychology major received a starting salary offer greater than $52,000 is______. 2. The probability a ...
  84. Algebra 1- 8th Grade

    According to the 1990 Census, the population of the United States was 2.49 x 10^8. The cost of taking the census in 1990 was 2.6 x 10^9 dollars. How much did the census cost per person in the United States?
  85. college math - biostatistics

    hey... first time user and really lost. wondering if someone can help: Based on data from the Statistical Abstract of the United States, 112th Edition, only about 14% of senior citizens (65 years old or older) get the flu each year. However, about 24% of the people under 65 ...
  86. Finite

    Bowl one contains 3 black and 2 white balls. Bowl two contains 4 black and 5 white balls. Experiment: A ball is randomly selected from bowl one, its color noted, and it is placed in bowl two. Then a ball is randomly selected from bowl two. a.) What is the probability that the ...
  87. statistics

    The Middlecreek Branch of the National Bank of Virginia has 10 real estate loans over $1,000,000. Of these 10 loans, 4 are "underwater." A loan is underwater if the amount of the loan is greater than the value of the property. The chief loan officer decided to randomly slect ...
  88. Statistics

    *Give all probabilities to two decimal places. Three daily newspapers are published in a large city. Suppose we have the following facts about the people in the city: 60% read Newspaper A. 34% read Newspaper C. 72% read Newspaper A or Newspaper B. 18% read Newspaper A and B. ...
  89. Math

    There are approximately 131,000 cases of colorectal cancer in the US each year ( data as of 1998). The US pop is approx 270 million. What's is the probability that a randomly selected person in the US will develop this type of cancer during a year? What method of assigning ...
  90. Statistics

    A box contains five numbered balls (1,2,2,3 and 4). We will randomly select two balls from the box (without replacement). (a) The outcome of interest is the number on each of the two balls we select. List the complete sample space of outcomes. (b) What is the probability of ...
  91. Math (Q#2)

    Even though tetanus is rare in the United States, it is fatal 70% of the time. If three persons contract tetanus during one year, what is the probability that none of the three will die. Assume that fatalities due to tetanus are independent of each other. If they are ...
  92. Math check

    IQ scores in a certain population are normally distributed with a mean of 96 and a standard deviation of 12. (Give your answers correct to four decimal places.) (a) Find the probability that a randomly selected person will have an IQ score between 83 and 99. 83-96/12=75 the ...
  93. statistics

    Assume that women's heights are normally distributed with a mean given by u=64.6 in and a standard deviation given by 0=2.8in. a) If 1 woman is randomly selected, find the probability that her height is less than 65in. b) If 49 women are randomly selected, find the probability...
  94. Math

    The annual precipitation for one city is normally distributed with a mean of 329 inches and a standard deviation of 2.6 inches. Find the probability that a randomly selected year will have more than 323.8 inches of rain. Express the probability as a decimal. ??
  95. ehtnics

    Describe, as if you were a member of that subordinate group, where the group originated, how it came to the United States, and one or two locations in the United States where members of your group live. Be creative in your fictional descriptions, and accurate with your facts. ...
  96. Statistics 2023

    Suppose there is a 11.2% probability that a randomly selected person is aged 20 years or older and is also a jogger. In addition there is a 23.8% chance that a person is 20 years or older, female, given that he or she also jogs. What is the probability a randomly selected ...
  97. Math

    In Exercises 16–18, use the following information. At a college, 43% of the students are women, 15% of the students are art majors, 4% have not chosen a major, and 8% are women and art majors. A faculty member conducts an experiment and selects students at random to ...
  98. Math

    In Exercises 16–18, use the following information. At a college, 43% of the students are women, 15% of the students are art majors, 4% have not chosen a major, and 8% are women and art majors. A faculty member conducts an experiment and selects students at random to ...
  99. Math 157

    assume that a reseacher randomly selected 14 new born babies and counts the number of girls selected x. the probability corresponding to the 14 possible values of x. find the probability of selecting exactly 8 girls.
  100. statistics

    Suppose you sample randomly, without replacement, a number between 1 and 999999, all outcomes have the same probability of being selected.What is the probability that the digits of the number selected add up to 23
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