Answer:

Step-by-step explanation:

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The mean of the distribution of the sampling mean is the same as the mean of the population, 18.6.
Here's what i did:
I broke down the fraction entirely.
3 / 5 = 6 / 10
divide 6 by two and divide 18 by two. This makes 3 / 10 = 9.
divide 3 by three and 9 by three, making 1 / 10 = 3.
if you need 7 / 10 of the number (30) then do 3*7.
The answer is 21.
Answer:
15
Step-by-step explanation:
Because x=y÷7
i.e,105÷7=15