Refer to Exercise 6.18. The results of the survey are listed next. How Safe is Uber?........................................... Responses

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Refer to Exercise 6.18. The results of the survey are listed next.

How Safe is Uber?........................................... Responses (%)
Very safe.....................................................................17
Somewhat safe.......................................................... 28
Somewhat unsafe...................................................... 21
Very unsafe...............................................................  12
Not sure.......................................................... ........... 22


If one person surveyed is selected at random find the following probabilities

a. Person selected said Very safe

b. Person selected said Very safe or somewhat safe

c. Person said it was Very unsafe

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