Consider the following hypothesis test: Ho: μ > 20 На: д < 20 A sample of 40 provided a sample mean of 19.3. The population standard deviation is 2.0. a. Compute the value of the test statistic (to 2 decimals). Enter negative valu as negative number. -2.21 b. What is the p-value (to 4 decimals)? c. Using a = 0. 05, can it be concluded that the population mean is less than 20?

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Consider the following hypothesis test:
Но: и > 20
На: и < 20
A sample of 40 provided a sample mean of 19.3. The population standard
deviation is 2.0.
a. Compute the value of the test statistic (to 2 decimals). Enter negative value
as negative number.
-2.21
b. What is the p-value (to 4 decimals)?
c. Using a = 0.05, can it be concluded that the population mean is less than
20?
- Select your answer -
Transcribed Image Text:Consider the following hypothesis test: Но: и > 20 На: и < 20 A sample of 40 provided a sample mean of 19.3. The population standard deviation is 2.0. a. Compute the value of the test statistic (to 2 decimals). Enter negative value as negative number. -2.21 b. What is the p-value (to 4 decimals)? c. Using a = 0.05, can it be concluded that the population mean is less than 20? - Select your answer -
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