# Question

a. Does it seem reasonable that the mean of the sampling distribution of observed values of p should be p, the true proportion? Explain.

b. Explain why p is an unbiased estimator for the population p.

b. Explain why p is an unbiased estimator for the population p.

## Answer to relevant Questions

Show that simplifies to “You say tomato, burger lovers say ketchup!” According to a recent T.G.I. Friday’s restaurants’ random survey of 1027 Americans, approximately half (47%) said that ketchup is their preferred burger condiment. The ...Find these critical values using Table 6 in Appendix B: a. t(21, 0.95) b. t(26, 0.975) c. t(27, 0.99) d. t(60, 0.025) The “rule of thumb” stated on page 434 indicated that we would expect the sampling distribution of p_ to be approximately normal when “n = 20 and both np and nq are greater than 5.”What happens when these guidelines ...Calculate the test statistic z used in testing the following: a. Ho: p = 0.70 Ha: p > 0.70 with the sample n = 300 and x = 224 b. Ho: p = 0.50 Ha: p < 0.50 with the sample n = 450 and x = 207 c. Ho: p = 0.35 vs Ha: p ...Post your question

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