77% of all americans live in cities with population greater than 100,000 people. if 49 americans are randomly selected,
find the probability that
a. exactly 38 of them live in cities with population greater than 100,000 people.
b. at most 37 of them live in cities with population greater than 100,000 people.
c. at least 39 of them live in cities with population greater than 100,000 people.
d. between 36 and 42 (including 36 and 42) of them live in cities with population greater than 100,000 people.

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)

it is contrapositive

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what graph

step-by-step explanation:

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step-by-step explanation: