Find the mean of the probability distribution

Assignment Help Basic Computer Science
Reference no: EM132008142

Students in a class take a quiz with eight questions. The number x of questions answered correctly can be approximated by the following probability distribution. Complete parts? (a) through? (e).

x 0 1 2 3 4 5 6 7 8

?P(x) 0.02 0.02 0.06 0.05 0.11 0.22 0.28 0.16 0.08

?(a) Use the probability distribution to find the mean of the probability distribution.

μ=

?(Round to the nearest tenth as? needed.)

?(b) Use the probability distribution to find the variance of the probability distribution.

sigma squared

σ2=

Reference no: EM132008142

Questions Cloud

Find the indicated probability : 1) Assume the random variable x is normally distributed with mean µ =83 and standard deviation s=44. Find the indicated probability.
Questions from an exam containing : How many ways can a student select five questions from an exam containing 12 questions, if one of the five must be the last question?
Distributed with a mean of standard deviation : Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15.
What are the acceptable inventory valuation methods : What are the acceptable inventory valuation methods under U.S. GAAP? How does each affect the valuation of inventory and cost of goods sold
Find the mean of the probability distribution : ?(a) Use the probability distribution to find the mean of the probability distribution.
Is the experiment a binomial? experiment : (A.) Is the experiment a binomial? experiment? (B.) What is a success in this? experiment?
Explain type of market targeting strategies would work best : Take a position on which of the three (3) types of market targeting strategies would work best for this start-up. Provide a rationale for your position.
Find the probability that number of college students : Find the probability that the number of college students who say they use credit cards because of the rewards program is? (a) exactly? two
Prepare journal entries for abc : Prepare journal entries for ABC on the following dates/activities. If no entry is required, give an explanation why there is no entry

Reviews

Write a Review

Basic Computer Science Questions & Answers

  Entrepreneur combines four kinds of resources

An entrepreneur combines four kinds of resources into a business. What would be the effect on the business if anyone were left out?

  The hierarchy of control from most to least preferred

Q1. With regards to the order of hierarchy, what is the best possible scenario in terms of controlling risk?Q2. What is the hierarchy of control from most to least preferred?

  Maximize the enclosed area

A farmer wants to enclose a rectangular field along a river on three sides. If 1,200 feet of fencing is to be used, what dimensions will maximize the enclosed area?

  Describe how a security test differs from a security audit

1. Describe how a security test differs from a security audit? 2. Describe why a black test requires more expertise than a white box test?

  Correlation between unemployment and inflation

1. What is the correlation between unemployment and inflation? 2. In your opinion, do you believe that this correlation is true of the current economy?

  What is the cosine of the square root of x

Assign a value to the variable x on the command line, e.g., x = 4 * piˆ2. What is the square root of x? What is the cosine of the square root of x?

  Limiting the effect of an untrusted program

The total processing speed of microprocessors (based on clock rate and number of circuits) is doubling roughly every year. Today, a symmetric session key needs to be 100 bits long to be considered strong. How long will a symmetric session key have..

  Exploit the experts to get valuable reviews

Feedback on your project (online food delivery) is a crucial factor of success. How you will exploit the experts to get valuable reviews?

  Purchasing power of the tax credit in 2016

If inflation will be 3% between 2014 and 2015 and 5% between 2015 and 2016, what will be the purchasing power of the tax credit in 2016?

  Difference between a column constraint

What is the difference between a column constraint and a table constraint and briefly discuss what "referential" constraints actions are. Provide at least one example. Please be detailed. No one sentence answer please.

  List four steps involve in systematic creativity

Question 1: a. Discuss stages in the Product Life Cycle to convince the management in your school b. List FOUR steps involve in Systematic Creativity.

  Providing security over data

The CIA triad (confidentiality, integrity, and availability) offers three (3) security tenets that allow data owners the framework to secure data.

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