# Kasey

Popular questions and responses by Kasey-
## 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

*asked on June 30, 2014* -
## Statistics

Find the critical value za/2 that corresponds to the given confidence level. 96%

*asked on June 30, 2014* -
## statistics

The amount of snow fall falling in a certian mountain range is normally distributed with a mean of 83 inches, and a standard deviation of 16 inches. What is the probability that the mean annual snowfall during 64 randomly picked years will exceed 85.8

*asked on March 4, 2009* -
## Physics

Nicole throws a ball straight up. Chad watches the ball from a window 5.0m above the point where Nicole released it. The ball passes Chad on the way up, and it has a speed of 10m/s as it passes him on the way back down. How fast did Nicole throw the ball?

*asked on September 17, 2013* -
## Statistics

Compute the critical value za/2 that corresponds to a 85% level of confidence.

*asked on June 30, 2014* -
## math

When you flip a biased coin the probability of getting a tail is 0.38. Find the probability of getting a head.

*asked on January 28, 2020* -
## math

Write this repeating decimal as a ratio of relatively prime integers: 0.324324324...

*asked on April 21, 2012* -
## statistics

Assume that a procedure yields a binomial distribution with a trial repeated n times. Use a binomial probabilities table to find the probability of x successes given the probability p of success on a given trial. n=8, x=2, p=0.30

*asked on June 30, 2014* -
## Statistics

A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 320 babies were born, and 256 of them were girls. Use the sample data to construct a 99% confidence interval estimate of the percentage of girls born.

*asked on June 30, 2014* -
## Science!

Please check my answers! thanks! :) 1. A population of oak trees growing in a region in Canada experiences a change in climate to much colder temperatures and much drier conditions than they have had for many decades. What determines how this population

*asked on October 9, 2013* -
## math

An arithmetic series has a first term 8 and third term 20. What does the fifth term equal? What does the second partial sum equal?

*asked on April 29, 2012* -
## Statistics

Many states are carefully considering steps that would help them collect sales taxes on items purchased through the Internet. How many randomly selected sales transactions must be surveyed to determine the percentage that transpired over the Internet?

*asked on June 30, 2014* -
## Physics

Standing side by side, you and a friend step off a bridge at different times and fall for 1.41 s to the water below. Your friend goes first, and you follow after she has dropped a distance of 1.93 m. (a)How long does it take your friend to fall 1.93 m?

*asked on August 27, 2013* -
## Statistics

The distribution of IQ scores is a nonstandard normal distribution with a mean of 100 and a standard deviation of 15. What are the value of the mean and standard deviation after all IQ score have been standardized by converting them to z scores?

*asked on June 30, 2014* -
## Statistics

Find the critical values x2L and x2R that correspond to the given confidence level and sample size. 99%: n=23

*asked on June 30, 2014* -
## History

Can someone help me with these 2 questions please? thanks!! :) 1. Why did President Madison veto a bill that supported government funding of internal improvements? (1 point) The Second Bank of the United States did not have enough money to pay for the

*asked on December 19, 2013* -
## physics

A child swings on a playground swing. How many times does the child swing through the swing's equilibrium position during the course of 3 period(s) of motion

*asked on February 22, 2012* -
## Psychology

Optimum physical health usually occurs: a. between the ages of 15 and 21. b. between the ages of 18 and 25. c. between the ages of 25 and 40. d. between the ages of 40 and 55. I think it is either c or d.

*asked on November 7, 2011* -
## Psychology

Danette knows she is not at all like her parents. She could never be like them. She is her own unique person. Her style of dress, mannerisms, and language emphasize her uniqueness. According to Erikson, Danette is attempting to establish: a. permanence. b.

*asked on November 7, 2011* -
## Psychology

The neurobiologist explained to the students, "The neural system is very much like the wires connecting your TV and stereo to the electrical outlet. If the wires were not covered with insulation, the signal would short circuit." The neurobiologist was

*asked on November 6, 2011* -
## chemistry

What ratio [CH3NH3+]/[CH3NH2] is needed to prepare a buffer solution with a pH of 8.60 from methylamine, CH3NH2, and methylammonium chloride, CH3NH3Cl? Kb of CH3NH2 = 3.7e-4.

*asked on October 6, 2011* -
## Business Communication

Indicate the alternative that both correctly evaluates the following sentence and correctly explains the reason for the evaluation. "As soon as you provide your date of birth on Line 2, your application for a flexible spending account will be processed."

*asked on September 27, 2011* -
## Business Communication

As a professor at State University, you have been asked to write a letter of recommendation for one of your advisees who is applying for an internship. The student is now a senior and you have known her since she was a freshman. She has taken two courses

*asked on September 27, 2011* -
## Business Communication

Crystal agreed to serve on a company's advisory board and now has to contact them to say she cannot attend a scheduled meeting where she was to be one of several key speakers. What should she do? a. Let the company know she cannot attend and that they will

*asked on September 27, 2011* -
## Business Communication

Is the subject line "Improving Customer Service" appropriate in a message to superiors? a. Yes, because it focuses on solving the problem. b. No, because the word "service" makes the subject line seem negative. c. No, because the boss is likely to think

*asked on September 27, 2011* -
## spanish

i know that "hay" is there are or there is... but how do you say there was??

*asked on April 10, 2008* -
## Mathematics

What is the title

*asked on April 22, 2020* -
## Math

m=-5,(-3,-9)

*asked on November 27, 2019* -
## algebra

If m

*asked on January 18, 2018* -
## Physics

Ann, a 66.2 kg person throws a 0.0461 kg snowball forward with a ground speed of 39.2 m/s. Billy, with a mass of 54.8 kg, catches the snowball. Both people are on skates (Disregard friction between the skates and the ice. ). Ann is initially moving forward

*asked on October 18, 2017* -
## algebra 2 - minimum or maximum

Find the minimum or maximum value of f(x)=−0.25x2+4x−18

*asked on September 22, 2017* -
## Physics

A ball is thrown off a cliff that is 10 meters tall. The horizontal speed of the ball is 8 m/s. Assuming no air resistance, how far from the base of the cliff will the ball land?

*asked on September 6, 2016* -
## Logs

Solve the equation and check your solutions. Note any extraneous answers. log(3x-13)=2 - log x

*asked on April 26, 2016* -
## Pre=Calc

Use composition to show that the given functions are inverses (You must show both compositions). Help? g(x)=x^2+3/2

*asked on April 26, 2016* -
## Logarithm

Determine the value of each logarithm a) Log(4)256 b) Log(2) 1/64 Thank you!

*asked on April 23, 2016* -
## Chemistry

How much NACl do i need to dissolve in grams to make 0.9%solution of 0.25l saline

*asked on April 1, 2016* -
## Math

Molly uses 192 beads to make a bracelet and a necklace.it takes 5 times as many beads to make a necklace than it does to make a bracelet .how many beads it takes to make the necklace ?

*asked on March 9, 2016* -
## Math

Suppose F(G(x))=x^(2) and G′(1)=5. Find F′(G(1)). F′(G(1))= ___

*asked on February 22, 2016* -
## Maths

A train travels from city A to city B. It leaves A at 11:15 AM and arrives at B at 2:20 PM. The distance between the cities is 123 miles. What was the average speed of the train in miles per hour (mph)? The average speed is ___ miles per hour.

*asked on January 21, 2016* -
## Physics

a 4.50 kg mass traveling east at 5.0 m/s has a head-on elastic collision with a 1.5 kg mass traveling west at 3.0 m/s. find the velocity of each mass after the collision. my work so far: vif= (4.50-1.5/4.50 + 1.5) x2 v2f= (2m1/4.50+1.5) x 2 I don't get the

*asked on January 11, 2016* -
## algebra

75=m/3+10 27=-2Y+15

*asked on February 24, 2015* -
## Social Studies Please Check Answer

where do most people in arabia and iraq live? a.in the fertile crescent b.in the rub' al-khali c.in cities d.in and around mecca a? b? or d?

*asked on February 4, 2015* -
## Statistics

An investor has $1400 to invest, and his financial analyst recommends two types of junk bonds. The A bonds have a 6% annual yield with a default rate of 3%. The B bonds have a 9% annual yield with a default rate of 7%. (If the bond defaults, the $1400 is

*asked on June 30, 2014* -
## Statistics

A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 50.0 and 52.0 minutes. Find the probability that a given class period runs between 50.25 and 50.5 minutes.

*asked on June 30, 2014* -
## Statistics

Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to find the probability of x successes given the probability p of success on a single trial. n=21, x=18, p=0.75

*asked on June 30, 2014* -
## Math

Selma went to the mall and spent 1/3 of her money. She then lost 1/2 of what she had left. She then had $6. How much money did Selma originally have?

*asked on March 12, 2014* -
## math

A fruit stand has 28 apples, 20 oranges, and 12 pears. What is the ratio of apples to the total pieces of fruit? A. 1 : 4 B. 7 : 15 C. 1 : 2 D. 7 : 8

*asked on December 3, 2013* -
## math

Calculate the following, leaving your answer as a fraction (lowest) or in decimal form. 4(2+1)² -------- 3(1)²

*asked on September 17, 2013* -
## math

Calculate the following, leaving your answer as a fraction (lowest) or in decimal form. Show work. 8(2+3)² ------- 2(5)²

*asked on September 17, 2013* -
## math

Calculate the following, leaving your answer as a fraction (lowest) or in decimal form. Show work. b) 3(12+2+1) ---------- = 3(4 + 1)

*asked on September 17, 2013* -
## math

Calculate the following, leaving your answer as a fraction (lowest) or in decimal form. Show work. a) 2(5+3+2) -------- 2(2+3)

*asked on September 17, 2013* -
## math

9000 equal 900 times

*asked on August 27, 2013* -
## Physics

A gull is flying horizontally 8.17 m above the ground at 6.35 m/s. The bird is carrying a clam in its beak and plans to crack the clamshell by dropping it on some rocks below. Ignoring air resistance, what is the horizontal distance to the rocks at the

*asked on September 22, 2012* -
## Chemistry

To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 2.7L bulb, then filled it with the gas at 1.30 atm and 30.0 C and weighed it again. The difference in mass was 3.9 g. Identify the gas. I used Pv=nRT

*asked on July 1, 2012* -
## Physics

An old trick to find out if a train is coming is to put your ear on the rails of the track. Why is this more effective than just listening for the sounds the train makes in air?

*asked on June 16, 2012* -
## Algebra I

Write an equation based on the given facts and find the solution. Show all your work, including the steps for solving the equation and checking your answer. –2 times a number plus 12 is –110. Find the number.

*asked on May 31, 2012* -
## analysis

What is meant by the sample space for a random experiment?

*asked on May 17, 2012* -
## math

Using the letters in ADJUSTING without repeats, How many different nine letter arrangements could be made? How many of these nine-letter arrangements have a consonant in fifth position and J in sixth position? What special name is given to the sixth

*asked on May 17, 2012* -
## physics

A spring with a spring constant of 1.33 102 N/m is attached to a 1.6 kg mass and then set in motion. (a) What is the period of the mass-spring system? (b) What is the frequency of the vibration?

*asked on February 22, 2012* -
## physics

Find the length of a pendulum that oscillates with a frequency of 0.19 Hz

*asked on February 22, 2012* -
## physics

In preparing to shoot an arrow, an archer pulls a bowstring back 0.37 m by exerting a force that increases uniformly from 0 to 246 N. What is the equivalent spring constant of the bow?

*asked on February 22, 2012* -
## Math

ok I am a fraction.Iam greater than 1/5 and less than 1/3.My numerator is a on.What fraction am i?

*asked on February 17, 2012* -
## Psychology

Kara heard the noise, but could not understand what was being said. Perhaps it was simply the humming of the machines that she heard? She was uncertain whether she should move toward or away from the sound. Kara is having difficulty with: a. sensation. b.

*asked on November 7, 2011* -
## Psychology

Sound that impinges on the inner ear and the auditory nerve arrives as a fairly meaningless stimulus. At this point, it should be viewed as: a. perception. b. sensation. c. an auditory stimulus item. d. free of environmental noise. I think it is either a

*asked on November 7, 2011* -
## Psychology

In a classroom experiment, students were asked to place one paper clip in each hand. They were then instructed to add paper clips to the left hand until they were certain that the clips in the left hand weighed more than the paper clips in the right hand.

*asked on November 7, 2011* -
## Psychology

As a scientist, Carl is concerned with the intensity of lights in the modern human environment. In his research project, Group A consists of volunteers who have agreed to sleep each night for a week with a 150 watt light bulb hanging over their bed. Group

*asked on November 7, 2011* -
## Psychology

Avis put off writing her term paper until three days before it was due. "It's not that big of a deal. I can whip it out in a couple of hours," she thought. As it turned out, this was not the case. She averaged two-hours-a-night sleep as she struggled to

*asked on November 7, 2011* -
## Psychologist

Maurine is a social drinker, drinking only occasionally during weekend parties with her friends. When she found out that she was pregnant, she: a. stopped all drinking because she knew that even a small amount of alcohol could harm the developing baby. b.

*asked on November 7, 2011* -
## Psychology

Dr. Lange is a developmental psychologist. He specializes in cognitive development during the period of infancy. Like most psychologists who focus on specific periods of development, his studies: a. emphasize the chemical changes in the synaptic gap. b.

*asked on November 6, 2011* -
## Psychology

Dr. Gillian explained that research has identified over 25,000 genes that are responsible for the genetic information that progresses from generation to generation. These genes are: a. telomeres which cap the chromosome. b. located in a specific order

*asked on November 6, 2011* -
## Psychology

According to the all-or-none law: a. all axons in an area will fight at a given signal. b. an axon moves from its resting state with various degrees of stimulation. c. only sufficient electrical activity will cause the axon to fire. d. there is a gradual

*asked on November 6, 2011* -
## Psychology

The morning was frigid and the roads covered with ice. As Paula drove to work, she was cautious, especially in less-traveled areas. When she entered the main highway, the situation was worse than she expected. As she passed a truck that had slid off the

*asked on November 6, 2011* -
## c++ program

how can a modfiy this source code to a menu. #include #include #include main() { char cYesNo = '\0'; int iResp1 = 0; int iResp2 = 0; int iResp3 = 0; int iElaspedTime = 0; int iCurrentTime = 0; int iRandomNum = 0; int i1 = 0; int i2 = 0; int i3 = 0; int

*asked on October 24, 2011* -
## c++ program

will this work for a source code that receive and total collection of payroll amounts entered at the terminal until 999 is reached. #include #include main() { int num = 0; printf("Enter number (-999 to quit:"); scanf("%d" ,&num); while num = 999);

*asked on October 21, 2011* -
## C++ program

Please help am not very good at c program. Am supposed to create a source code that will display to the screen the first 20 numbers with their squares and cubes.

*asked on October 19, 2011* -
## C++ program

Create a source code that will prompt for recive and total a collection of payroll amounts entered at the terminal untill a sentinel amount of 999 is entered. Here is what i have so far i know not much but am not that great at this class. #include #include

*asked on October 19, 2011* -
## C++ program

Create a source code that will prompt for recive and total a collection of payroll amounts entered at the terminal untill a sentinel amount of 999 is entered. Here is what i have so far i know not much but am not that great at this class. #include #include

*asked on October 19, 2011* -
## Chemistry

Suppose that 50 mL of 0.3 M LiOH and 60 mL of 0.1 M NaHSO3 are mixed. What is the K for the dominant equilibrium in terms of Ka's, Kb's, Kw etc.? Ka of HSO3- 1/Ka of HSO3- Kb of OH- 1/Kb of OH- Kb of SO3-2 1/Kb of SO3-2 Kw 1/Kw There is no reaction.

*asked on October 6, 2011* -
## Business Communication

Which of the following would be the LEAST appropriate in the closing paragraph of a negative message? a. "Let us know if model #A01 would be a suitable substitution." b. "Our layaway plan will enable you to purchase all the clothes the children need for

*asked on September 27, 2011* -
## Business Communication

Which of the following statements explains why threats are NOT effective for motivating people? a. Threats reduce tension. b. Threats ensure that appropriate actions are not abandoned. c. Threats produce permanent change. d. Threats provoke

*asked on September 27, 2011* -
## Business Communication

As a professor at State University, you have been asked to write a letter of recommendation for one of your advisees who is applying for an internship. The student is now a senior and you have known her since she was a freshman. She has taken two courses

*asked on September 27, 2011* -
## Business Communication

In which of the following situations would it be BEST to recast the situation as a positive message? a. When you want to maintain goodwill with the reader, because you still have to deal with each other b. When there really is not a reason for the refusal

*asked on September 27, 2011* -
## Business Communication

Which sentence presents an alternative in appropriate way? a. "The 11 a.m. flight is completely sold out, so I booked you on the 2 p.m. flight. Hopefully that will work for you." b. "We are out of the red units, so we went ahead and shipped you 12 green

*asked on September 27, 2011* -
## Business Communication

Indicate the alternative that both correctly evaluates the following sentence and correctly explains the reason for the evaluation. "As soon as you provide your date of birth on Line 2, your application for a flexible spending account will be processed."

*asked on September 27, 2011* -
## Business Communication

Which of the following would be the LEAST appropriate in the closing paragraph of a negative message? a. "Let us know if model #A01 would be a suitable substitution." b. "Our layaway plan will enable you to purchase all the clothes the children need for

*asked on September 27, 2011* -
## Business Communication

When you are writing subject lines for negative messages to peers and subordinates: a. put the topic, but not your action on it, in the subject line. b. put the topic, including your action on it, in the subject line. c. do not include the topic in the

*asked on September 27, 2011* -
## geometry

(9m+2)(m-3)

*asked on August 28, 2011* -
## Algebra

I do not understand multioplying binomials + factoring (x+9) (x-9) can you show and explain the steps

*asked on August 28, 2011* -
## biology

explantion for a question or a problem that can be formally tested

*asked on August 25, 2011* -
## geometry

A polygon has a perimeter of 13 cm. What is the perimeter of its image after a size transformation with a scale factor of 3? Why?

*asked on April 28, 2011* -
## ALGEBRA

A magazine advertises its $12 annual subscription price as 70% off the newsstand price. What is the number of dollars per year a reader would spend if the magazine were purchased at the newsstand price?

*asked on April 2, 2011* -
## algebra

What is the 100th term of the arithmetic sequence 3/4, 5.25, 39/4, 14.25,...? Express answer as a decimal to the nearest hundredth.

*asked on April 2, 2011* -
## Biology- PLEASE HELP ME ):

how does the salinity of a solution affect osmosis in an onion cell?

*asked on March 1, 2011* -
## statistics

A small company has 9 female employees and 15 male employees. In how many ways can 8 employees be selected at random for drug testing if exactly 5 of the employees must be males?

*asked on November 11, 2010* -
## surveying math

I need help with this problem and I need to show my work. Can anyone help me? A vertical angle of -40 is recorded between A and B. The slope distance, after meteorological corrections, is 806.388 m. What is the horizontal distance between A and B?

*asked on October 15, 2010* -
## Math (surveying)

I am having a really hard time figuring this problem out. I need to see how it is worked. THANKS!

*asked on October 15, 2010* -
## calculus

I am having a problem with solving this Given the function f described by f(x)=x+3, find each of the following: f(0) f(-13) f(-12) f(1) f(4+8) can you help me please?

*asked on September 5, 2010* -
## math

Charlie wants to buy a $900 TV in 15 months. How much should he invest now at 14% simple interest to have the money in 15 months?

*asked on August 30, 2010* -
## 7th grade

How do I use Distributive Property to solve 10*32? I have to show my work.

*asked on July 14, 2010* -
## physics

Why is 9.8 used as g on Earth but nowhere else in the solar system? Explain.

*asked on May 6, 2010*

## Pages

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