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In a certain sporting goods manufacturin...

In a certain sporting goods manufacturing company, a quality control expert tests a randomly selected group of 1,000 tennis balls in order to determine how many contain defects. IF this quality control expert discovered that 13 of the randomly selected tennis balls were defective, which of the following inferences would be most supported?

A

98.7% of the company's tennis balls are defective

B

98.7% of the company's tennis balls are not defective

C

9.87% of the company's tennis ball are defective

D

9.87% of the company's tennis balls are not defective.

Text Solution

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The correct Answer is:
B
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