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In a survey, cell phone users were asked which ear they use to hear their cell phone, and the table is based on their responses. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied.

In a survey, cell phone users were asked which ear they use to hear their cell phone, and the table is based on their responses. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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2:37 Amylab.pearson.com In a survey, cell phone users were asked which ear they use to hear their cell phone, and the table is based on their responses. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. Does the table show a probability distribution? Select all that apply. .LTE A. Yes, the table shows a probability distribution. B. No, the sum of all the probabilities is not equal to 1. C. No, not every probability is between 0 and 1 inclusive. D. No, the random variable x is categorical instead of numerical. E. No, the numerical values of the random variable x are not associated with probabilities. OA. H= Left Right No preference ■ (Round to one decimal place as needed.) OB. The table does not show a probability distribution. Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. P(x) 0.6362 0.3038 0.060
Transcribed Image Text:2:37 Amylab.pearson.com In a survey, cell phone users were asked which ear they use to hear their cell phone, and the table is based on their responses. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. Does the table show a probability distribution? Select all that apply. .LTE A. Yes, the table shows a probability distribution. B. No, the sum of all the probabilities is not equal to 1. C. No, not every probability is between 0 and 1 inclusive. D. No, the random variable x is categorical instead of numerical. E. No, the numerical values of the random variable x are not associated with probabilities. OA. H= Left Right No preference ■ (Round to one decimal place as needed.) OB. The table does not show a probability distribution. Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. P(x) 0.6362 0.3038 0.060
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