In a hospital the average time that a patient will wait to enter a clinic is normally distributed with a mean of 20 minutes. A random sample of 10 patients revealed the following waiting time: 21 19 18 18 20 22 23 25 17 20 Given the sample standard deviation S = 2.5 Assume that the researcher wants to test whether the mean time that a patient will wait is more than 20 minutes using a level of significance of 0.01.

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Chapter1: Making Economics Decisions
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In a hospital the average time that a patient will wait
to enter a clinic is normally distributed with a mean
of 20 minutes. A random sample of 10 patients
revealed the following waiting time:
21
19 18 18 20 22 23 25 17 20
Given the sample standard deviation S = 2.5
Assume that the researcher wants to test whether
the mean time that a patient will wait is more than
20 minutes using a level of significance of 0.01.
Transcribed Image Text:In a hospital the average time that a patient will wait to enter a clinic is normally distributed with a mean of 20 minutes. A random sample of 10 patients revealed the following waiting time: 21 19 18 18 20 22 23 25 17 20 Given the sample standard deviation S = 2.5 Assume that the researcher wants to test whether the mean time that a patient will wait is more than 20 minutes using a level of significance of 0.01.
The alternate hypothesis is: *
3 points
a. μ > 20
b. μ< 20
C. μ-20
O d. µ + 20
Transcribed Image Text:The alternate hypothesis is: * 3 points a. μ > 20 b. μ< 20 C. μ-20 O d. µ + 20
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