The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customer

Question

3 years ago

11

The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customer

s to check out was 3 minutes. It is known that the standard deviation of the population of checkout times is 1 minute. The 95% confidence interval for the true average checkout time (in minutes) is

Mathematics

1 answer:

Temka [501] · Answer 1 · 2022-03-22T08:53:55+03:00

Temka [501]3 years ago

4 0

Answer:

100/3=33

Step-by-step explanation:

33 minuets for the true average checkout time.