cristykianpour
01.06.2021 •
Mathematics
A small stationary store has about 2500 pens in the store and wants to estimate the mean retail value of pens that it has in its inventory. A random sample of 100 pens is selected and the computed mean of the sample is $2.64 and a standard deviation of $0.44. Assuming a normal distribution, construct a 95% confidence interval of the mean value of all the pens in the store.
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Ответ:
1st the 4th and the 5th options
Step-by-step explanation:
I can explain in the comments