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Probability and the Multiplication Rule

Last updated over 5 years ago

20 Nsɛmmisa

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1.

If one letter is chosen at random from the word refuse, what is the probability that the letter chosen will be an “e”?

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2.

What is the probability that the spinner lands on a blue wedge?

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3.

What is the probability that the spinner lands on a number less than 3?

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4.

If you were to roll the dice one time, what is the probability it will land on a 4?

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5.

If you were to roll the dice one time, what is the probability it will NOT land on a 5?

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6.

If you were to roll the dice one time, what is the probability of it landing on an odd number?

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7.

If you were to select one shape at random, what is the probability that it will be purple?

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8.

What is the probability of a space on this BINGO card having a piece of fruit on it?

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9.

What is the probability of a space on this BINGO card having a vegetable on it?

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10.

Mrs. G has a big sweet tooth and bought this variety pack of candy bars. What is the probability that she reaches in without looking and randomly pulls out a TWIX candy bar?

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11.

Mrs. G has a big sweet tooth and bought this variety pack of candy bars. What is the probability that she reaches in without looking and randomly pulls out any type except for a Milky Way?

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12.

3 out of 8 Americans prefer to watch NASCAR over a baseball game. What is the probability that you randomly select two people and the first person prefers watching NASCAR and the second person prefers watching baseball?

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13.

3 out of 8 Americans prefer to watch NASCAR over a baseball game. What is the probability that you randomly select three people and they all prefer watching NASCAR over baseball?

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14.

40% of students prefer to use pencils over pens for their assignments. What is the probability that you randomly select four students and all four prefer to use pencils over pens?

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15.

40% of students prefer to use pencils over pens for their assignments. What is the probability that you randomly select four students and the first three students prefer to use pens and the fourth student prefers to use pencils?

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16.

5 out of 9 people like Aaron Rodgers over Tom Brady. What is the probability that you randomly select two people and both like Tom Brady over Aaron Rodgers?

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17.

5 out of 9 people like Aaron Rodgers over Tom Brady. What is the probability that you randomly select five people and all like Aaron Rodgers over Tom Brady?

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18.

1 out of 3 people prefer to have a cat as a pet than a dog. What is the probability that you randomly select three people and the first two prefer having a dog and the third person prefers to have a cat?

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19.

1 out of 3 people prefer to have a cat as a pet than a dog. What is the probability that you randomly select four people and all four prefer to have a cat rather than a dog for a pet?

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20.

A recent survey found that 64% of adults prefer Coca-Cola over Pepsi. What is the probability that you randomly select five adults and the first two prefer Pepsi and the last three prefer Coca-Cola?