SOLUTION: A random sample of 14 size AA batteries for toys yield a mean of 2.95 hours with standard deviation, 0.72 hours.
(a) Find the critical value, t*, for a 99% CI. t* =
(b) Find t
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-> SOLUTION: A random sample of 14 size AA batteries for toys yield a mean of 2.95 hours with standard deviation, 0.72 hours.
(a) Find the critical value, t*, for a 99% CI. t* =
(b) Find t
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Question 1197853: A random sample of 14 size AA batteries for toys yield a mean of 2.95 hours with standard deviation, 0.72 hours.
(a) Find the critical value, t*, for a 99% CI. t* =
(b) Find the margin of error for a 99% CI.
You can put this solution on YOUR website! n = 14 x̄ = 2.95 , s = .72
99% CI: small sample, df 13, t = 3.012276
Using Excel function: =TINV(.01,13)
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