Question

The average number of hours for a random sample of amazon orders for a specific product was 39 hours last year. It is believed that the opening of a nearby warehouse has led to a reduction in the shipping and delivery time. To test the validity of this belief, the hypotheses are

Answer 1

H0: μ ≥ 39

Ha : μ < 39

Step-by-step explanation:

Given:

Specific production hour = 39

Step-by-step explanation:

The given data is a left tailed test.

So,

The null hypothesis is ;

H0: μ ≥ 39

The alternative hypothesis is ;

Ha : μ < 39