Consider the following hypothesis test: Ho: 4220 Ha: <20 A sample of 40 provided a sample mean of 19.4. The population standard deviation is 2. a. Compute the value of the test statistic (to 2 decimals). If your answer is negative, use minus "-" sign. b. What is the p-value (to 3 decimals)? c. Using a .05, can it be concluded that the population mean is less than 207 [Select : d. Using a 05, what is the critical value for the test statistic (to 3 decimals)? If your answer is negative, use minus "-" sign. What is the rejection rule using the critical value? Reject Ho if z Select: e. What is your conclusion? Reject Ho if z is Select the critical value.

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Consider the following hypothesis test:
Ho: 4220
Ha: <20
A sample of 40 provided a sample mean of 19.4. The population standard deviation is 2.
a. Compute the value of the test statistic (to 2 decimals). If your answer is negative, use minus "-" sign.
b. What is the p-value (to 3 decimals)?
c. Using a
d. Using a
.05, can it be concluded that the population mean is less than 207 [Select :
.05, what is the critical value for the test statistic (to 3 decimals)? If your answer is negative, use minus "-" sign.
What is the rejection rule using the critical value?
Reject Ho if z Select:
e. What is your conclusion?
Reject Ho if z is Select
the critical value.
Transcribed Image Text:Consider the following hypothesis test: Ho: 4220 Ha: <20 A sample of 40 provided a sample mean of 19.4. The population standard deviation is 2. a. Compute the value of the test statistic (to 2 decimals). If your answer is negative, use minus "-" sign. b. What is the p-value (to 3 decimals)? c. Using a d. Using a .05, can it be concluded that the population mean is less than 207 [Select : .05, what is the critical value for the test statistic (to 3 decimals)? If your answer is negative, use minus "-" sign. What is the rejection rule using the critical value? Reject Ho if z Select: e. What is your conclusion? Reject Ho if z is Select the critical value.
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