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mrs_skeptik [129]
3 years ago
6

There are 431 full-service restaurants in Alaska. The mean number of seats per restaurant is 77.9.

Mathematics
1 answer:
bija089 [108]3 years ago
4 0

Answer:

Kindly check explanation

Step-by-step explanation:

Given the following :

True mean(μ) = 77.9

True standard = 20

Sample size (n) = 50

Sample mean (m) = 82.1

Sample standard deviation (s) = 18.6

The standard error (SE) :

SE = sample standard deviation / √sample size

SE = 18.6 / √50

SE = 2.6304372

SE = 2.63

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