How to find the probability of an outcome

Practice Questions

SAT Math › How to find the probability of an outcome

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1

A coin is flipped seven times. What is the probability of getting heads six or fewer times?

2

Presented with a deck of fifty-two cards (no jokers), what is the probability of drawing either a face card or a spade?

3

A coin is flipped four times. What is the probability of getting heads at least three times?

4

Mike has a bag of marbles, 4 white, 8 blue, and 6 red. He pulls out one marble from the bag and it is red. What is the probability that the second marble he pulls out of the bag is white?

5

If x is chosen at random from the set (4, 6, 7, 9, 11) and y is chosen at random from the set (12, 13, 15, 17) then what is the probability that xy is odd?

6

of the population in Town A is NOT Asian. In addition, of the Asian population in Town A is male. A random person from Town A is selected. What is the probability that the person selected is both Asian and female.

7

If given two dice, what is the probability that the sum of the two numbers rolled will equal 9?

8

The above table shows how many people participated in a sport at a local gym. What is the probability that someone swam?

9

If 2 six-sided dice, each with sides numbered 1-6, are rolled, what is the probability that the sum of the numbers on the face-up sides is equal to 7?

10

10 cards, each with a distinct number from 1-10, are placed face-down on a table. If Matt chooses a card at random, what is the probability his card will display a prime number?

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