Question

Gustavo tested 1000 calculators to see if any were defective. The company claimed that the probability of a defective calculator was 1% per 1000 calculators. Gustavo found 15 defective calculators out of 1000.

Answer 1

That would be 1.5 percent

Explanation:

1.5 percent because 100/1000×15 is 1.5%

1% is 10 calculators

Answer 2

The predicted frequency was 10

The relative frequency was 1.5%

Explanation: