Giving A Test To A Group Of Students The Grades And Gender Are Summarized Below A B C 8 14 2 16 Male 18 Female 15 11 To 1 (63.03 KiB) Viewed 74 times
Giving a test to a group of students, the grades and gender are summarized below A B C 8 14 2 16 Male 18 Female 15 11 Total 33 19 Total 40 28 68 Let π represent the percentage of all male students who would receive a grade of A on this test. Use a 99% confidence interval to estimate p to three decimal places. Enter your answer as a tri-linear inequality using decimals (not percents). <p<
The phenomenon of bottle flipping has hit the nation. You design a machine that can randomly flip a bottle. You observe 2360 random, independent flips, and 307 land the correct way. Estimate the overall proportion of bottles that land correctly when flipped randomly. Use a 90% confidence level. a) State the parameter of interest. Verify that the necessary conditions are present in order to carry out the procedure. b) Find the critical value and standard error. Critical Value: Standard Error: c) Find the confidence interval: ( d) Interpret the 90% confidence interval in context.
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