Statistics Week 5
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Determine whether to reject or fail to reject Upper H 0 at the level of significance of a) alpha equals 0.02 and b) alpha equals0.09.
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Upper H H0: mu μ equals=109 Upper H Subscript aHa: mu μ not equals≠109 and P =0.02080.0208. see excel spreadsheet. This your answer

Find the minimum sample size n needed to estimate p for the given values of c, a, and E.
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c = 0.90. a = 9.9. and E = 2 Answer = 67

In a survey of 641 males ages 1864, 394 say they have gone to the dentist in the past year. Construct 90% and 95% confidence intervals for the population proportion. Interpret the results and compare the widths of the confidence intervals. If convenient, use technology to construct the confidence intervals. The 90% confidence interval for the population proportion p is The 95% confidence interval for the population proportion p is Interpret your results of both confidence intervals. Which interval is wider?
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Find the margin of error for the given values of c, sigma, and n.
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c = 0.95. a = 2.1, n = 36 Answer 0.686


Use the given statement to represent a claim. Write its complement and state which is Upper H 0 and which is Ha. u<431
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Find the complement of the claim. A. Pick the opposite of the "greater that or less than sign"of the...