1a. Find the critical value tc for the confidence level c=0.80 and sample size n=15. tc=...

1a. Find the critical value tc for the confidence level c=0.80 and sample size n=15. tc= 1b. Find the critical value tc for the confidence level c=0.80 and sample size n=21. tc= 1c. Find the margin of error for the given values of c, s, and n. c=0.98,s=4, n=11

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Expert Solution

Refer t-distribution table OR use excel function "=T.INV.2T(0.20,14)" to find the critical value of tc.

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Refer t-distribution table OR use excel function "=T.INV.2T(0.20,20)" to find the critical value of tc.

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Refer t-distribution table OR use excel function "=T.INV.2T(0.02,10)" to find the critical value of tc.

orchestra answered 1 year ago

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