A sample of 64 is taken from a population and the standard deviation of the sample being 16. What is the 99.7% confidence interval for the mean of the population?

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3

step-by-step explanation:

i think the answer is 90 hope this

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