Find size of the sample to estimate test scores with 90% confidence, being sure that result will be within 3 points of the true population mean µ. Standard deviation= 12. (Don’t forget to round everything up – conservatively) ( find Z-a/2, Error, n).

c. (3,2,6) is the answer.

where did you get them? if you picked from the grass, is is probably poisonous.

step-by-step explanation:

step-by-step explanation:

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