Rhea
Most popular questions and responses by Rhea
geometry
An architect plans to make a drawing of the room of a house. The segment LM represents the floor of the room. He wants to construct a line passing through Q and perpendicular to side LM to represent a wall of the room. He uses a straightedge and compass to
asked on February 10, 2014 
Statistics  M/C
14. The marks on a statistics test are normally distributed with a mean of 62 and a variance of 225. If the instructor wishes to assign B’s or higher to the top 30% of the students in the class, what mark is required to get a B or higher? a. 68.7 b. 71.5
asked on October 23, 2010 
math
What is the standard form of 4x²+4y²20x+12y2=0
asked on November 13, 2018 
math
sheila spent onesixth of her money in one store. in the next store, she spent three times as she spent in first store, and had 80.00 left. how much money did she have at the start?
asked on March 9, 2012 
Statistics
You are shown a coin that its owner says is fair in the sense that it will produce the same number of heads and tails when flipped a very large number of times. Suppose you decide to flip a coin 100 times. a. What conclusion would you be likely to draw if
asked on September 19, 2010 
physics
a projectile shot at an angle of 60 degrees above the horizontal strikes a building 80 ft away at a point 48 ft above the point of projection (a) find the velocity of projection. (b) find the magnitude and direction of the velocity of the projectile when
asked on November 24, 2012 
chemistry
Calculate the value of ΔHo for the reaction 2 CH4 (g) > C2H6 (g) + H2 (g) given the following thermochemical equations: C2H2 (g) + H2 (g) > C2H4 (g) ΔHo = – 175.1 kJ C2H6 (g) > C2H4 (g) + H2 (g) ΔHo = + 136.4 kJ C2H2 (g) + 3 H2 (g) > 2 CH4 (g)
asked on January 25, 2012 
Statistics
Suppose you believe that, in general,graduates who have majored in your subject are offered higher salaries upon graduating than are graduates of other programs. Describe a statistical experiment that could help test your belief.
asked on September 19, 2010 
Statistics  M/C
In a version of the game of roulette, a steel ball is rolled onto a wheel that contains 19 red, 19 black and 2 green slots. If the ball is rolled 25 times, the probability that it falls into the green slots two or more times: a) is 5%. b) is 35.8%. c) is
asked on October 23, 2010 
Physics
A 63 canoeist stands in the middle of her canoe. The canoe is 3.0 long, and the end that is closest to land is 2.6 from the shore. The canoeist now walks toward the shore until she comes to the end of the canoe. Suppose the canoeist is 3.3 from shore when
asked on November 17, 2010 
Statistics
A statistics practitioner determined that the mean and standard deviation of a data set were 120and 30, respectively. What can you say about the proportions of observations that lie between each of the following intervals? a. 90 and 150 b. 60 and 180 c. 30
asked on September 26, 2010 
Statisitcs
A large university campus has 60,000 students. The president of the students' association wants to conduct a survey of the students to determine their views on an increase in the student activity fee. She would like to acquire information about all the
asked on September 19, 2010 
Statistic in Social Science
The verbal part of the Graduate Record Exam (GRE) has a mean of 500 and a standard deviation of 100. Use the normal distribution to answer the following questions: a. If you wanted to select only student at or above the 90th percentile, what verbal GRE
asked on April 29, 2014 
Organic Chemistry
Rank the following compounds in order of increasing acidity. a. H2O, H3O, Ho == HO, H2O, H3O b. NH3
asked on August 4, 2014 
physics
show that none of the principal moments of inertia can exceed the sum of the other two Please help me thank you
asked on December 4, 2012 
Statisitcs
The operations manager of a large plant with four departments wants to estimate the personhours lost per month due to accidents. describe a sampling plan that would be suitable for estimating the plantwide loss and for comparing departments.
asked on September 19, 2010 
Sta
A regular feature in a newspaper asks readers to respond via email to a survey that requires a yes or no response. In the following day's newspaper, the percentage of yes and no responses are reported. discuss why we should ignore these statistics.
asked on September 19, 2010 
Statistics
The weather forecaster reports that the probability of rain tomorrow is 10%. a. Which approach was used to arrive at this number? Was it the analytical (classical) approach, relative frequency approach or subjective approach?
asked on October 5, 2010 
Stats
A test has 15 true or false questions and 10 multiple choice questions (each with 4 choices). All questions are weighted equally. Jack has not studied at all for the test and randomly guesses. 1. What is the probability that Jack gets 96% on the test? a.
asked on October 23, 2010 
Accounting
How do you calculate the 'Capital stock at the end of the year' with the following information? Revenues: $375,000 Expenses: $297,000 Net Income: $78,000 Retained earnings at the beginning of the year: 0 Retained earnings at the end of the year: $68,000
asked on January 7, 2011 
Stats
Twentythree students wrote a statistics examination having a maximum of 50 marks. The mark distribution is given in the following stemandleaf diagram: 0 9 1 25 2 01335889 3 001369 4 02248 5 0 Q1 is equal to: a) 15 b) 21 c) 23 d) None of the above THE
asked on October 23, 2010 
Check Statistics
Calculate the first, second, and third quartiles of the following sample. 2 2 3 3 4 4 4 5 5 5 7 7 8 9 10 Are my answers correct: 25th percentile = 3 50th percentile  5 75th percentile = 7
asked on September 26, 2010 
Statistics
Examine the three samples listed here. Without performing any calculations, indicate which sample has the largest amount of variation and which sample has the smallest amount of variation. Explain how you produced your answer. a. 17 29 12 16 11 b. 22 18 23
asked on September 26, 2010 
Statistics
Determine whether each of the following is a valid probability distribution. a) X: 0, 2, 2, 3 P(x): .1, .3, .4, .1 b) X: 5, 6, 10, 0 P(x): .01, .01, .01, .97 c) X: 14, 12, 7, 13 P(x): .25, .46, .04, .2
asked on October 2, 2010 
physics
A 5.25kg ball, moving to the right at a velocity of +2.10 m/s on a frictionless table, collides headon with a stationary 7.60kg ball. Find the final velocities of the balls if the collision meet the following conditions. (a) elastic 5.25kg ball =
asked on March 1, 2016 
Accounting
In 2014 ABC Company reported net income of $100,000. What would be the effect on retained earnings on ABC Company's balance sheet and on its 2015 income statement if it didn't record a closing entry?
asked on March 2, 2011 
Accounting
What is the journal entry for the following? Stan opened a bank account in the name of SSRC and deposited $10,000 of his savings into the account.
asked on March 2, 2011 
Statistics
n=1000, bellshaped Mean  5,000 ~950 lie +/100 of 5000 4900 to 5100 Required 1) Standard Deviation 2) 97.5th percentile value 3) Zscore for 16th percentile
asked on September 26, 2010 
Statistics
A friend calculates a variance and reports that it is 25.0. How do you know that he has made a serious calculation error?
asked on September 26, 2010 
math
farmer montague raises chicken and goats. she is not sure how many she of each animal. but she does know she has 22 animals all together. She also know that all together,her animals have 56feet. How many of each type animall does farmer montague have?
asked on October 26, 2011 
Accounting
How does an inventory writeoff effect the cash flow statement?
asked on April 18, 2011 
URGENT Statistics
In performing twotailed hypothesis test with v=20, you obtain a tstatistic of 2.41. The pvalue is: Between 2% and 5%. I need help understanding how this range was gotten. I know that the tstatistic is between t.025 and t.01 and since this is a 2tailed
asked on December 10, 2010 
Statistics
19. George got 70% on an economics exam where the mean was 55% and the variance was 9. If a professor wishes to change the distribution of marks so that they have a mean of 70% and a standard deviation of 5, what will George’s new mark be? a) 95% b) 85%
asked on October 23, 2010 
Statistics
Is the following classified as interval, ordinal or nominal data? The marks achieved by the students in a statistics course out of 100.
asked on September 29, 2010 
Sampling Distribution
Sampling Distribution Complete solutions and illustrations are required. 2.In a study of life expectancy, it was found that the mean age at death in the Philippines was 72 with a standard deviation of 5.8 years. If a sample of 50 Filipino people is
asked on February 27, 2013 
alegebra 2
what is y=16x to the 2nd power2x5
asked on October 27, 2011 
science
calculate the density of a liquid if 150g of a substance with 188mL volume
asked on August 11, 2011 
Accounting
Cadzow Inc purchases all of its inventory on credit. On January 1, 2008 Cadzow had $1,750,000 of Inventory. Cost of goods Sold during 2008 was $5,650,000. The beginning and ending balances in Cadzow’s Accounts Payable account on January 1, 2008 and
asked on March 2, 2011 
Statistics
How do you differentiate between equal and unequal variances when conducting a ttest for comparing two populations?
asked on December 10, 2010 
Statistics  M/C
The weather forecaster reports that the probability of rain tomorrow is 10%. a. Which approach was used to arrive at this number? 1) Analytical (Classical) 2) Relative Frequency 3) Subjective
asked on September 30, 2010 
Math
I have a 92 average right now. I got a 93 on a major grade test, but my teacher has not posted the grade in Skyward yet. Will my average get lower or higher?
asked on April 23, 2016 
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
asked on February 27, 2013 
Accounting
a. IPC purchases real estate in prime locations where an existing theatre chain does not adequately serve the market. After purchasing the real estate, IPC engages a contractor to build a theatre complex. During fiscal 2009, IPC received a $2,000,000
asked on April 18, 2011 
Management
What major challenges do you think are facing contemporary enterprise?
asked on September 17, 2010 
trig
I am having trouble figuring these two out The directions say find all solutions to the triangles described below. Round each angle to the nearest degree and the length of the missing side to the nearest tenth at the end of the computations C= 27 degrees
asked on March 19, 2008 
maths
what are the binary representtations of the following decimal numbers? 17,29,38
asked on March 19, 2013 
maths
what are the binary representtations of the following decimal numbers? 17,29,38
asked on March 19, 2013 
Integrated Marketing Communications
develop an IMC plan for a business.
asked on September 14, 2012 
COLLEGE ALGEBRA
a board is 15 5/8 in. long . If it must be divided into three pieces of equal length , how long must each piece be ?
asked on June 14, 2012 
Accounting
How is a contract penalty recorded for the company that hires a contractor?
asked on April 18, 2011 
social studies
i need to know hre diffrent trading goodes for each province in canada
asked on March 23, 2009 
soial studies
what are some stories /myths about rhea
asked on April 26, 2008 
statistics
what are the variables of statistics according to functional relatipnships?
asked on June 25, 2008

universityhealth economics
Critically discussion the statement, “Medial care is so special that normal economic forces do not apply.”
posted on February 1, 2018 
reading
But what about 'Dainty'?
posted on October 4, 2016 
math
Leastones. greatestthousands
posted on July 22, 2016 
Organic Chemistry
dont know
posted on March 11, 2016 
7th grade Science
110 complete the (%m/m) of 54.00g of AgNo3 is dissolved in 128.00g of water
posted on July 15, 2013 
Science
110 complete the (%m)of 54.00g of AgNo3 is dissolved in 128.00g of weter
posted on July 15, 2013 
Strategic Management
If you are considering opening a new pizza restaurant in your community, what would be the threat of new entrants? How would you evaluate Porter’s other forces for this industry?Explain.
posted on July 10, 2013 
physics
thank you so much ^^
posted on November 25, 2012 
3rd grade math
8+8+8
posted on November 3, 2011 
Statistics
Thanks for the response
posted on September 19, 2010 
Statistics
Thanks so much for the reply!
posted on September 19, 2010 
Management
Basically meaning modern organizations.
posted on September 17, 2010