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11Alexandr11 [23.1K]
3 years ago
12

A population of 1,000 students spends an average of $10.50 a day on dinner. The standard deviation of the expenditure is $3. A s

imple random sample of 64 students is taken. a. What are the expected value, standard deviation, and shape of the sampling distribution of the sample mean
Mathematics
2 answers:
Yakvenalex [24]3 years ago
8 0

Answer:

expected value is the mean : 10.5

Standard error for the sampling distribution : 0.375

it has a bell-shaped curve  with 99.7%  of the values between  9.375  and 11.625

Step-by-step explanation:

adelina 88 [10]3 years ago
7 0
The answer would be to 10.5
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