A town mayor claims that 90% of their adults have health insurance. From a random sample of 80 adults selected from this town, a 95% confidence interval for the true proportion of all adults in the town who have health insurance is (0.742, 0.910). Is the mayor's claim reasonable? Why? pick one a No, because 0 does not fall in the confidence interval. b Yes, because .90 falls in the confidence interval. c It's inconclusive.
A town mayor claims that 90% of their adults have health insurance. From a random sample of 80 adults selected from this town, a 95% confidence interval for the true proportion of all adults in the town who have health insurance is (0.742, 0.910). Is the mayor's claim reasonable? Why? pick one a No, because 0 does not fall in the confidence interval. b Yes, because .90 falls in the confidence interval. c It's inconclusive.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Question
1)
A town mayor claims that 90% of their adults have health insurance. From a random sample of 80 adults selected from this town, a 95% confidence interval for the true proportion of all adults in the town who have health insurance is (0.742, 0.910). Is the mayor's claim reasonable? Why?
pick one
a |
No, because 0 does not fall in the confidence interval. |
|
b |
Yes, because .90 falls in the confidence interval. |
|
c |
It's inconclusive. |
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