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. A. Yes, the table shows a probability distribution. B. No, not every probability is between 0 and 1 inclusive. C. No, the numerical values of the random variable x are not associated with probabilities. D. No, the sum of all the probabilities is not equal to 1. E. No, the random variable x is categorical instead of numerical. Left Right No preference P(x) D 0.636 0.3042 0.0598
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. A. Yes, the table shows a probability distribution. B. No, not every probability is between 0 and 1 inclusive. C. No, the numerical values of the random variable x are not associated with probabilities. D. No, the sum of all the probabilities is not equal to 1. E. No, the random variable x is categorical instead of numerical. Left Right No preference P(x) D 0.636 0.3042 0.0598
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 16HP
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Question

Transcribed Image Text: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.
O A.
µ=
(Round to one decimal place as needed.)
OB. The table does not show a probability distribution.
Find the standard deviation of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
O A. G=
(Round to one decimal place as needed.)
O B. The table does not show a probability distribution.

Transcribed Image Text: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.
oooo
A. Yes, the table shows a probability distribution.
B. No, not every probability is between 0 and 1 inclusive.
C. No, the numerical values of the random variable x are not associated with probabilities.
D. No, the sum of all the probabilities is not equal to 1.
E. No, the random variable x is categorical instead of numerical.
Left
Right
No
preference
P(x) D
0.636
0.3042
0.0598
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