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8,500 people were surveyed about their recent electronics purchases. 3,149 of those surveyed have bought a...

8,500 people were surveyed about their recent electronics purchases. 3,149 of those surveyed have bought a cell phone in the last year, 1,508 have bought a tablet in the last year, and 925 have bought both.

a) How many people bought at least one of the two?

b) How many people didn’t buy a cell phone or a tablet?

Solutions

Expert Solution

Solution:

Let = Number of people surveyed

=Number of people who bought cellphone.

=Number of people who bought Tablet

  Number of people who bought at least one of the two is

........................................................................................................................................................................................

  Number of people who didn't buy a cellphone or a tablet is

milcah answered 2 years ago
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