Part: 3/6 Part 4 of 6 (d) Find the probability that the proportion of the sampled adults who drink coffee daily is between 0.57 and 0.71. The probability that the proportion of the sampled adults who drink coffee daily is between 0.57 and 0.71 is [

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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Question
Coffee: The National Coffee Association reported that 65% of U.S. adults drink coffee daily. A random sample of 300 U.S. adults is selected. Round your
answers to at least four decimal places as needed.
Part 1 of 6
(a) Find the mean
The mean is 0.6500
Alternate Answer:
D
The mean H is 0.65.
Part 2 of 6
(b) Find the standard deviation d
The standard deviation is 0.0275
Part 3 of 6
(c) Find the probability that more than 66% of the sampled adults drink coffee daily.
The probability that more than 66% of the sampled adults drink coffee daily is 0.35825
Part: 3/6
Part 4 of 6
(d) Find the probability that the proportion of the sampled adults who drink coffee daily is between 0.57 and 0.71.
The probability that the proportion of the sampled adults who drink coffee daily is between 0.57 and 0.71 is
X
Ⓒ
Transcribed Image Text:Coffee: The National Coffee Association reported that 65% of U.S. adults drink coffee daily. A random sample of 300 U.S. adults is selected. Round your answers to at least four decimal places as needed. Part 1 of 6 (a) Find the mean The mean is 0.6500 Alternate Answer: D The mean H is 0.65. Part 2 of 6 (b) Find the standard deviation d The standard deviation is 0.0275 Part 3 of 6 (c) Find the probability that more than 66% of the sampled adults drink coffee daily. The probability that more than 66% of the sampled adults drink coffee daily is 0.35825 Part: 3/6 Part 4 of 6 (d) Find the probability that the proportion of the sampled adults who drink coffee daily is between 0.57 and 0.71. The probability that the proportion of the sampled adults who drink coffee daily is between 0.57 and 0.71 is X Ⓒ
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