Author Question: A newspaper reported on the topics that teenagers most want to discuss with their parents. The ... (Read 61 times)

Medesa · **on:** Jul 24, 2018

A newspaper reported on the topics that teenagers most want to discuss with their parents.

The findings, the results of a poll, showed that 46 would like more discussion about the family's financial situation, 37 would like to talk about school, and 30 would like to talk about religion. These and other percentages were based on a national sampling of 545 teenagers. Estimate the proportion of all teenagers who want more family discussions about school. Use a 90 confidence level.
A) .63 .034 B) .37 .034 C) .37 .001 D) .63 .001

Question 2

The university police department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with a mean of 9.2.

Find the probability that fewer than six tickets are written on a randomly selected day.
A) 0.189165 B) 0.104074 C) 0.810835 D) 0.895926