Question

The following table shows the frequencies of executives’ 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 ­executive earned $ 100,000 or more per year?
c. What is the probability that a randomly selected ­executive earned $ 60,000 or more per year?
d. What is the probability that a randomly selected ­executive earned between $ 70,000 and $ 90,000 per year?


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  • CreatedJuly 17, 2015
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