# Question: Refer to Exercise 8 4 Assume that 2 4 a Obtain

Refer to Exercise 8.4. Assume that σ = 2.4.

a. Obtain an approximate 95.44% confidence interval for the mean number of young per litter of all female eastern cottonmouths.

b. Interpret your result in part (a).

c. Why is the 95.44% confidence interval that you obtained in part (a) not necessarily exact?

a. Obtain an approximate 95.44% confidence interval for the mean number of young per litter of all female eastern cottonmouths.

b. Interpret your result in part (a).

c. Why is the 95.44% confidence interval that you obtained in part (a) not necessarily exact?

## Answer to relevant Questions

J. McWhorter et al. of the College of Health Sciences at the University of Nevada, Las Vegas, studied physical therapy students during their graduate-school years. The researchers were interested in the fact that, although ...Consider again the problem of estimating the mean age, μ, of all people in the civilian labor force. In Example 8.7 on page 322, we found that a sample size of 2250 is required to have a margin of error of 0.5 year and a ...A variable has a mean of 100 and a standard deviation of 16. Four observations of this variable have a mean of 108 and a sample standard deviation of 12. Determine the observed value of the a. Standardized version of ...For a t-curve with df = 8, find each t-value, and illustrate your results graphically. a. The t-value having area 0.05 to its right b. t0.10 c. The t-value having area 0.01 to its left (A t-curve is symmetric about 0.) d. ...According to Scarborough Research, more than 85% of working adults commute by car. Of all U.S. cities, Washington, D.C., and New York City have the longest commute times. A sample of 30 commuters in the Washington, D.C., ...Post your question