Find the cumulative distribution function

Assignment Help Basic Statistics
Reference no: EM131370748

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.

Reference no: EM131370748

Questions Cloud

My assignment deals with grocery expenses : My assignment deals with grocery expenses. Is your dollar buying less each month at the grocery store? What are some factors which influence changing grocery store expenses? What are some ways you try to save money at the grocery store?
Explaining why blindness is an important metaphor : Write an essay explaining why blindness is an important metaphor in the play "A Streetcar Named Desire".
Is the method employed two-stage cluster sampling : The 42 ships belong to 12 cruise ship companies. Each company has its own characteristics in terms of price, luxury, services, and type of passengers. Suggest an alternative sampling method, and explain its benefits.
You think the private restrictions raise legal concerns : Some providers and clinics limit access to ARTs based on marital status, sexual orientation, age, and other factors that are arguably wholly or partially social in nature. Some countries use similar restrictions as a matter of law. Do you think the p..
Find the cumulative distribution function : Find the cumulative distribution function.- Find the probability that at most four additional hours are slept.- Find the probability that at least two additional hours are slept per night.
What skills did you already have to help in the situation : Connect ideas within the week readings into your personal experiences at work. In your entry:Assess your dispute resolution skills in relationship to the concepts in the course readings.Describe a situation at work that required you to think and/or i..
Analyzing essays that offer solutions to problems : Discussion - "Analyzing Essays that Offer Solutions to Problems". Identify which one you think is most effective. Explain
Determine the first item to be sampled : Use randomization to determine the first item to be sampled, and give the rule for obtaining the rest of the sample in this case.
What is the budgeted cost for student advising for june : If Kingston State University uses the discretionary-cost method to implement cost SBU's, what is the budgeted cost for Student Advising for June?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability that cpu demand of program exceed one minute

Program measured in minutes is found to follow a gamma distribution with parameters a=3 and b=2. what is the probability that CPU demand of a program will exceed 1 minute?

  Study the average increase in the price of a stock

She will then compare the current price of each stock with its price 20 years ago to determine its percentage increase. Do you think this is a valid method to study the average increase in the price of a stock?

  What proportion of faculty consume coffee

A standard deviation of 1.5. The distribution is normal. What proportion of faculty consume an amount between 4 and 6 cups?

  Decision rule of hospital human resources

A hospital human resources manager finds that the local average starting salary for nurses is $24,000. She randomly samples 10 nurse's salaries at the hospital and calculates a mean of $23,450 and a standard deviation of $400.

  Standard deviation for high-end unix machine

Sun Microsystems has approximately 50% of the high-end Unix machines market with its closest competitor being IBM. Suppose that 15 firms were in the market to purchase a high-end Unix machine. Assume that these firms listened to sales pitches by a..

  Average cost of rental accommodation

The Vice-Chancellor of the University of the Sunshine Coast claimed that the average cost of rental accommodation in the area close to campus was $145 per week. The Student Guild, being sceptical about the validity of this claim, took a random sam..

  Find the seasonal median number of home runs for each player

For each player, determine the minimum, the first quartile, the median, the third quartile, and the maximum of their home run totals. Use these results to construct comparative box-and-whisker plots.

  Based on available information lead time demand for cd rom

based on available information lead time demand for cd rom drives averages 250 units normally distributed with a

  An article in the journal of the environmental engineering

an article in the journal of the environmental engineering division distribution of toxic substances in rivers 1982

  What sample size should company a suggest

The goal for Company A is to make sure more than 90% of their shipment will be accepted by their customer. In order to achieve the goal, Company A wants their customer to reduce the sample size from 300 samples. What sample size should Company A s..

  The management of transcontinental airlines

Reconsider Prob. 20.7-12. The economy is beginning to boom so the management of Transcontinental Airlines is predicting that the number of people flying will steadily increase this year over the relatively flat (seasonally adjusted) level of last ..

  How many families need to survey

If you want to be 99% sure that you have estimated average family food expenditures within $50, how many families do you need to survey?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd