Solve the problem.The scores on a certain test are normally distributed with a mean score of 60 and a standard deviation of 5. What is the probability that a sample of 90 students will have a mean score of at least 60.527?

Solve the problem.Suppose that replacement times for washing machines are normally distributed with a mean of and a standard deviation of 1.1 years. Find the probability that 70 randomly selected washing machines will have a mean replacement time less than

Solve the problem. Round to the nearest tenth unless indicated otherwise.The weights of certain machine components are normally distributed with a mean of 8.01 g and a standard deviation of 0.06 g. Find the two weights that separate the top 3% and the bottom 3%. These weights could serve as limits used to identify which components should be rejected. Round to the nearest hundredth of a gram.

Solve the problem.For women aged 18-24, systolic blood pressures (in mm Hg) are normally distributed with a mean of 114.8 and a standard deviation of 13.1. If 23 women aged 18-24 are randomly selected, find the probability that their mean systolic blood pressure is between 119 and 122.

5. Much like today, there was a debate of how to deal with gangs. Possible solutions of that time included all except   A. forced military service.   B. modifying and improving education.  C. military patrols of streets.   D. increasing government intervention.

9. According to Theory B, “other directed” concept is defined as   A. role-playing as people imagined themselves as actors.  B. the growing syndrome of wondering what’s on the other channels.   C. getting ideas from someone else.   D. all of these.

7. Which of the reasons identifies why televisions was called a force in American society?  A. It was a major innovation that shaped the nation.   B. It was a source of information for Americans.   C. It was major progress in American ingenuity and technology.    D. All of these.  

3. The Baby Boomers are identified as   A. a shrinking market.   B. a harmless menace.   C. an economic force  D. the beginning of the nation’s demise.

6. Compete the following statements with one of the following responses. According to juvenile experts of the Fifties street-corner group societies…  A. were overwhelmed and mislead by the constant barrage of advertisement and the need to consume.   B. were lost in a rapidly modernizing with no room for traditionally-minded individuals.   C. aggressively rejected parental and societal values.   D. all of these.

2. Life magazine noted in 1959 that baby boomer parents and their children differed in views about possessions.  The children viewed their demands as   A. necessities.  B. luxuries.   C. occasional indulgences.    D. all of these.