A Gallup survey indicated that 72% of college graduates would prefer to start their own business rather than work for someone else. A random sample of 600 college graduates is obtained. a. What is the mean and standard deviation of the sampling distribution of the proportion

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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step-by-step explanation: