1) The length of time it takes to fill an order at a local sandwich shop is normally distributed with a mean of 4.1 minutes and a standard deviation of 1.3 minutes. a) What is the probability that the average waiting time for a random sample of ten customers is between 4.0 and 4.2 minutes

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)

answer for #1 is c

answer for #2 is d

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step-by-step explanation:

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step-by-step explanation:

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