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slega [8]
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]3 years ago
4 0

Answer:

100/3=33

Step-by-step explanation:

33 minuets for the true average checkout time.

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