# Question

In Cleveland, a sample of 73 mail carriers showed that 10 had been bitten by an animal during one week. In Philadelphia, in a sample of 80 mail carriers, 16 had received animal bites. Is there a significant difference in the proportions? Use a 0.05. Find the 95% confidence interval for the difference of the two proportions.

a. State the hypotheses and identify the claim.

b. Find the critical value(s).

c. Compute the test value.

d. Make the decision.

e. Summarize the results.

a. State the hypotheses and identify the claim.

b. Find the critical value(s).

c. Compute the test value.

d. Make the decision.

e. Summarize the results.

## Answer to relevant Questions

A survey found that 83% of the men questioned preferred computer-assisted instruction to lecture and 75% of the women preferred computer-assisted instruction to lecture. There were 100 individuals in each sample. At α = ...A random sample of daily high temperatures in January and February is listed below. At α = 0.05 can it be concluded that there is a difference in variances in high temperature between the two months? a. State the hypotheses ...The weights in ounces of a sample of running shoes for men and women are shown. Calculate the variances for each sample, and test the claim that the variances are equal at α = 0.05. Use the P-value method. a. State the ...Two groups of drivers are surveyed to see how many miles per week they drive for pleasure trips. The data are shown. At a 0.01, can it be concluded that single drivers do more driving for pleasure trips on average than ...The data show the amounts (in thousands of dollars) of the contracts for soft drinks in local school districts. At α = 0.10 can it be concluded that there is a difference in the averages? Use the P-value method. Give a ...Post your question

0