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elixir [45]
3 years ago
11

The scores of individual students on the american college testing (act) program composite college entrance examination have a no

rmal distribution with a mean of 18.6 and a standard deviation of 6.0. at northside high, 36 seniors take the test. assume the scores at this school have the same distribution as national scores. what is the mean of the sampling distribution of the sample mean score for a random sample of 36 students?
Mathematics
1 answer:
Alona [7]3 years ago
3 0
The mean of the distribution of the sampling mean is the same as the mean of the population, 18.6.
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sladkih [1.3K]

Answer:

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miskamm [114]
Lets look at the info we have:-

6 friends
Pay $90 and receive $42 in change.

Question:-

How much does each friend pay?

To answer this first we nee to find out how much they paed in total. lets do that 1st:-

90 - 42 = 48
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CHECK OUR WORK:-

48 + 42 = 90
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Now lets divide to find out how much each person paid:- 

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CHECK OUR WORK:-

8 × 6 =  48
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So, each friend pays $8 for the gift.

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Answer:

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