Place Is a city is in North America
India
Tokyo
Houston
✓
Peru
New York
Tijuana
✓
✓
Canada
✓
Let event A = The place is a city.
Let event B = The place is in North America.
What is P(A and B)?

Step-by-step explanation:

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Required

Find P(A n B)

where

A = Event that the place is a city

B = Event that the place is in North

The first step is to get the sample space;

Let S represent the sample space;

The next is to list events A and B

A = City

B = North America

The next is to list common elements in A and B

The probability of A and B is calculated as follows;

Substitute and in the expression above

$15 each

step-by-step explanation:

$45/3 children= $15 each

191 students play sports and ninety-seven 10th graders were surveyed.

step-by-step explanation: