Question

A scientist wants to determine how water temperature affects the development of fish eggs.

Describe the control group for this scenario.
HELP

Answer 1

I’m srry Ik I’m not helping but how do you ask questions yo the public ?

Answer 2

Correct option is

B

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

Given that quality control expert test 1000 tennis balls in order .

In this order quality control expert discovered that 13 balls are defective.

Then better balls are =1000−13=987

Then % of not defective tennis balls =

1000

987

×100=98.7

So (B) is write answer that 98.7% of the company tennis balls