# Question

The following table shows the frequencies of executivesâ€™ salary ranges at a particular organization:

Salary Range Frequency

Under $ 60,000 ......... 2

$ 60,000 to under $ 70,000 .... 5

$ 70,000 to under $ 80,000 .... 7

$ 80,000 to under $ 90,000 ..... 4

$ 90,000 to under $ 100,000 .... 6

$ 100,000 or more ........ ?

Total .............. 26

a. How many executives at this organization earned $ 100,000 or more per year?

b. What is the probability that a randomly selected Âexecutive earned $ 100,000 or more per year?

c. What is the probability that a randomly selected Âexecutive earned $ 60,000 or more per year?

d. What is the probability that a randomly selected Âexecutive earned between $ 70,000 and $ 90,000 per year?

Salary Range Frequency

Under $ 60,000 ......... 2

$ 60,000 to under $ 70,000 .... 5

$ 70,000 to under $ 80,000 .... 7

$ 80,000 to under $ 90,000 ..... 4

$ 90,000 to under $ 100,000 .... 6

$ 100,000 or more ........ ?

Total .............. 26

a. How many executives at this organization earned $ 100,000 or more per year?

b. What is the probability that a randomly selected Âexecutive earned $ 100,000 or more per year?

c. What is the probability that a randomly selected Âexecutive earned $ 60,000 or more per year?

d. What is the probability that a randomly selected Âexecutive earned between $ 70,000 and $ 90,000 per year?

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