Random variable and probability distribution

Assignment Help Basic Statistics
Reference no: EM1395630

The difference between a random variable and a probability distribution is:

A. A random variable does not include the probability of an event

B. A random variable can only assume whole numbers

C. A probability distribution can only assume whole numbers

D. None of the above

Reference no: EM1395630

Questions Cloud

Find probability that offspring will inherit cystic fibrosis : What is the probability that an offspring will inherit cystic fibrosis, an autosomal recessive disorder, if both parents are carriers?
How to assume the islands have reached equilibrium : Show (using both graphs and words) how the equilibrium theory of island biogeography could used to support the conclusion (despite the apparent contradiction). In addition include two other plausible explanations for this pattern.
Questions on correlation and regression : In this problem set you will get some practice performing a linear regression analysis. If you use Statdisk or Excel to perform any portion of these analyses, please include the results, label them, and refer to them accordingly in your interpreta..
Describe the many benefits to resource levelling : Define resource allocation also resource levelling also describe the difference among them. Describe 5 of the many benefits to resource levelling.
Random variable and probability distribution : The difference between a random variable and a probability distribution is: A. A random variable does not include the probability of an event. B. A random variable can only assume whole numbers
Decision making based on critical thinking and emotion : What kinds of questions would you use as you talk with him/her to help him/her make the decision based on critical thinking rather than emotion?
What is the theoretical limit in length : Hair is principally comprised of the fibrous protein alpha keratin. If warmed in the presence of moisture and 2-mercaptoethanol, hair can be extended by pulling on the ends.
Illustrate what is minimum number of workstations needed : Illustrate what is the minimum number of workstations needed to meet the projected demand? Group the tasks into workstations to balance this line using the cycle time calculated in part c also the largest number of subsequent tasks rule.
What is the expected frequency of ab genotypes : By some estimates there are only a couple of thousand great white sharks alive in the wild. Assume that in the frequency of LDH alleles in a sample of 200 adult sharks in a population off of Australia.

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  Determining the parking problem

The administration at the university of Georgia is interested in determining if a parking problem exists for their students. The administration selects a randome sample of 200 students and asks them to estimate the amount of time it took the stude..

  Test statistic for difference between two population means

Perform the appropriate test for a difference in mean blood glucose and report the p-value for the two-tailed test of significance, assuming that the variances are equal.

  Ratio of two population variance

Supposing that both populations are normally distributed, construct a 99% confidence interval for the ratio of the two population variances.

  Minimizing threats to valid inference making

Recognize strategies that were utilized to control for nuisance variables and minimize threats to valid inference making.

  Shape of sampling distribution of sample mean

Suppose that the lives of all such bulbs have a normal distribution with a mean of 750 hours and a standard deviation of 55 hours. Let x (sample mean) be the mean life of range sample of 25 such bulbs.

  Explain the standard normal distribution z -scores

Assume your statistics professor reports test grades as z-scores, and you got a score of 2.20 on the midterm exam. Write down a sentence explaining what that means.

  Evaluate the average earnings

If is the proportion of the next 100 shoppers that buy a packet of the crackers after tasting a free sample, then the probability that fewer than 30% buy a packet after tasting a free sample is approximately.

  Research questions with two way anova test

Using variables below, (1) mention all research questions that would be replied with a Two Way ANOVA test, (2) make null hypotheses for these questions.

  Value of test statistic of college students

At the .05 level, you are testing whether there is a significant difference in the proportions of college students and similar aged non college students having accidents during the two year period. What is the value of your test statistic.

  Various measures of central tendency

The various measures of central tendency: compare them (how they are similar) and contrast them (how they are different), including specific references to numbers, pictures, and tables derived from the data set.

  Estimation of the spending of all teenagers

The average could be a poor estimate of the spending of all teenagers given that only teenagers in malls were sampled.

  Standard deviation of download time

You are the designer for your company's web site. You have data to indicate that the mean download time for the homepage is 5.8 seconds and that the standard deviation of download time is 2.1 seconds.

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