2 years ago

Write an equivalent expression.

1 answer:

8 0

7•7•7
2•2•2

7^3=343
2^3= 8
343•8
=2744

(7•7•7)x(2•2•2)

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lilavasa [31]

The following is the most appropriate method for investigating the sociologist’s belief is,

A. A one-sample zz-test for a difference in population proportions

Step-by-step explanation:

The young adults in a county get their news from online sources are 75 percent.

But according to sociologist the percentage is actually greater than 75 percent.
The correct answer is A one-sample zz-test for a difference in population proportions.
The One proportion Z-test is used to compare proportion which is observed to a theoretical one, only when there are only two categories.
A z-test is a statistical test which is used to determine whether there are two population which means there are different when the variances are known and the sample size is relatively large.