# Question: The annual percentage salary increases for the chief executive officers

The annual percentage salary increases for the chief executive officers of all midsize corporations are normally distributed with mean 12.2% and standard deviation 3.6%. A random sample of 81 of these chief executive officers was taken. What is the probability that more than half the sample members had salary increases of less than 10%?

**View Solution:**## Answer to relevant Questions

A random sample of size n = 16 is obtained from a normally distributed population with a population mean of μ = 100 and a variance of σ2 = 25. a. What is the probability that x-bar > 101? b. What is the probability that ...Monthly rates of return on the shares of a particular common stock are independent of one another and normally distributed with a standard deviation of 1.6. A sample of 12 months is taken. a. Find the probability that the ...A random sample of 10 stock market mutual funds was taken. Suppose that rates of returns on the population of all stock market mutual funds follow a normal distribution. a. The probability is 0.10 that sample variance is ...The scores of all applicants taking an aptitude test required by a law school have a normal distribution with a mean of 420 and a standard deviation of 100. A random sample of 25 scores is taken. a. Find the probability that ...A sample of 100 students is to be taken to determine which of two brands of beer is preferred in a blind taste test. Suppose that, in the whole population of students, 50% would prefer brand A. a. What is the probability ...Post your question