Business, 18.12.2021 05:10 aariannahnorwoo

A new fast food restaurant wants to start deliver food. The owner of the store has determined that home delivery will be successful if the average time spent on the deliveries does not exceed 24 minutes. The owner has randomly selected 32 customers and has delivered food to their homes. The mean delivery time for the sample is 26 minutes with standard deviation of 5.8 minutes. Test if the mean delivery time actually exceeds 24 minutes. 1. Give the null and alternative hypotheses to determine if the mean delivery time actually exceeds 24 minutes. (a.) H0:μ=24 and HA:μ>24 (b.) H0:μ=24 and HA:μ<24 (c.) H0:xˉ=24 and HA:xˉ>24 (d.) H0:xˉ=24 and HA:xˉ<24.

2. Calculate the test statistics. (a.) z=1.95 (b.) z=−1.95 (c.) t=1.95 (d.) t=−1.95

3. P-value for this test is. (a.) 0.0602 (b.) 0.0301 (c.) 0.9699 (d.) 0.0050

4. At α=0.05, which of the following conclusion is correct? (a.) At α=0.05, there is no sufficient evidence to conclude that the mean delivery time exceed 24 minutes. (b.) At α=0.05, there is sufficient evidence to conclude the mean delivery time exceeds 24 minutes. (c.) At α=0.05, there is sufficient evidence to conclude the mean delivery time less 24 minutes. (d.) At α=0.05, there is sufficient evidence to conclude that the mean delivery time is 24 minutes

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A new fast food restaurant wants to start deliver food. The owner of the store has determined that h...

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