Suppose that a recent poll found that 47% of adults believe that the overall state of moral values is poor. Complete parts (a) through (c). (a) For 300 randomly selected adults, compute the mean and standard deviation of the random variable X, the number of adults who believe that the overall state of moral values is poor. The mean of X is. (Round to the nearest whole number as needed.) The standard deviation of X is. (Round to the nearest tenth as needed.) CH (b) Interpret the mean. Choose the correct answer below. OA. For every 141 adults, the mean is the maximum number of them that would be expected to believe that the overall state of moral values is poor. OB. For every 300 adults, the mean is the range that would be expected to believe that the overall state of moral values is poor. OC. For every 300 adults, the mean is the minimum number of them that would be expected to believe that the overall state of moral values is poor. OD. For every 300 adults, the mean is the number of them that would be expected to believe that the overall state of moral values is poor. (c) Would it be unusual if 134 of the 300 adults surveyed believe that the overall state of moral values is poor? 00 O Yes No
Suppose that a recent poll found that 47% of adults believe that the overall state of moral values is poor. Complete parts (a) through (c). (a) For 300 randomly selected adults, compute the mean and standard deviation of the random variable X, the number of adults who believe that the overall state of moral values is poor. The mean of X is. (Round to the nearest whole number as needed.) The standard deviation of X is. (Round to the nearest tenth as needed.) CH (b) Interpret the mean. Choose the correct answer below. OA. For every 141 adults, the mean is the maximum number of them that would be expected to believe that the overall state of moral values is poor. OB. For every 300 adults, the mean is the range that would be expected to believe that the overall state of moral values is poor. OC. For every 300 adults, the mean is the minimum number of them that would be expected to believe that the overall state of moral values is poor. OD. For every 300 adults, the mean is the number of them that would be expected to believe that the overall state of moral values is poor. (c) Would it be unusual if 134 of the 300 adults surveyed believe that the overall state of moral values is poor? 00 O Yes No
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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Transcribed Image Text:Suppose that a recent poll found that 47% of adults believe that the overall state of moral values is poor. Complete parts (a) through (c).
(a) For 300 randomly selected adults, compute the mean and standard deviation of the random variable X, the number of adults who believe that the overall state of moral values is poor.
The mean of X is. (Round to the nearest whole number as needed.)
The standard deviation of X is. (Round to the nearest tenth as needed.)
CH
(b) Interpret the mean. Choose the correct answer below.
OA. For every 141 adults, the mean is the maximum number of them that would be expected to believe that the overall state of moral values is poor.
OB. For every 300 adults, the mean is the range that would be expected to believe that the overall state of moral values is poor.
OC. For every 300 adults, the mean is the minimum number of them that would be expected to believe that the overall state of moral values is poor.
OD. For every 300 adults, the mean is the number of them that would be expected to believe that the overall state of moral values is poor.
(c) Would it be unusual if 134 of the 300 adults surveyed believe that the overall state of moral values is poor?
00
O Yes
No
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