Question
R.H. Bruskin Associates Market Research found that 40% of Americans do not think that having a college education is important to succeed in the business
R.H. Bruskin Associates Market Research found that 40% of Americans do not think that having a college education is important to succeed in the business world. Suppose a random sample of 50 Americans is selected. Given that this procedure results in a binomial distribution, answer the following questions.
a) (4 pts) Find the mean and the standard deviation of the number of people who do not think that having a college education is important to succeed in the business world. (SHOW WORK. Round your answer to a whole number.)
b) (3 pts) Determine if this binomial distribution is approximately normal by checking the requirement.(SHOW WORK.)
c) (3 pts) Determine if it is unusual that 30 of 50 Americans do not think that having a college education is important to succeed in the business world. (SHOW WORK.)
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