The scores at a golf course recorded last year followed a normal distribution with mean 78 and standard deviation 11. You choose an SRS of 15 scores and calculate = mean
score. Which of the following are the mean and standard deviation of the sampling
distribution of r?

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.

i need more details sorry

step-by-step explanation:

step-by-step explanation:

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