Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

In given problem, suppose that a cost is imposed of an amount equal to the square of the number of additional hours of sleep. What is the expected cost? Explain.

Problem
According to an article in Travel and Leisure, every person in a small study of sleep during vacation was found to sleep longer than average during the first vacation night.1 Suppose that the number of additional hours slept in the first night of a vacation, over the person's average number slept per night, is given by the following probability distribution:

x

P(x)

0

0.01

1

0.09

2

0.30

3

0.20

4

0.20

5

0.10

6

0.10

a. Verify that P(x) is a probability distribution.

b. Find the cumulative distribution function.

c. Find the probability that at most four additional hours are slept.

d. Find the probability that at least two additional hours are slept per night.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M92180588

Have any Question?


Related Questions in Statistics and Probability

Lets pretend that in a hospital 7 of patients are high-risk

Let's pretend that in a hospital, 7% of patients are "high-risk" while the others are "lower-risk". For patients that are high-risk, 75% will be re-admitted within 30 days. For "lower-risk" patients, the 30day re-admitta ...

A recent study found that 64 of workers between the ages of

A recent study found that 64?% of workers between the ages of? 20-29 cash out their retirement accounts when they lose their jobs or move to a new employer. Complete parts a through e below based on a random sample of 14 ...

Lt x be a normally distributed random variable with mu

Let X be a normally distributed random variable with μ = 100 and σ = 10. Find the probability that X is between 80 and 105. (Round your answer to the nearest whole number percent and include the percent symbol.)

People were polled on how many books they read the previous

People were polled on how many books they read the previous year.  How many subjects are needed to estimate the number of books read the previous year within one book with 99% confidence? Initial survey results indicate ...

There are 20 total socks 10 white and 10 black this makes

There are 20 total socks, 10 white and 10 black. This makes 10 total matching pairs of 5 pair of white and 5 pair of black. If each time you pick a sock from the drawer a sock just like it magically replaces it, what is ...

Assume that the box contains 12 balls 4 red 4 green and 4

Assume that the box contains 12 balls: 4 red, 4 green, and 4 blue. Two balls are drawn at random, one after the other without replacement. What is the probability that the first ball was blue, given that the second was r ...

You work as a purchasing manger at walter pharmaceuticals

You work as a purchasing manger at walter Pharmaceuticals. Yor currnet suppliers of raw materials has an average delivery time of 14 days. Another vendor approaches you and says that they can match your current vendors's ...

It is now may 1 2015 and timmy has just purchased a

It is now May 1, 2015, and Timmy has just purchased a five-year U.S. government bond (FV = $1,000) with a quoted price of 93.779. This bond has a 6-percent coupon rate, and the last semi-annual coupon payment was made on ...

A researcher reports that the size of an effect in

A researcher reports that the size of an effect in Population A is d = 0.10 and the effect size in Population B is d = 0.34. Which population is associated with greater power to detect an effect? A) Population A B) Popul ...

A food safety guideline is that the mercury in fish should

A food safety guideline is that the mercury in fish should be below 1 part per million? (ppm). Listed below are the amounts of mercury? (ppm) found in tuna sushi sampled at different stores in a major city. Construct a 9 ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As