10.1 Exit Probability

Mr. Tibbets has a deck of cards numbered 1 through 20. The cards are shuffled. One card is picked at random. What is the probability that he picked a 7?

• 7/20

• 1/10

• 1/20

• 7/10

Mr. Tibbets has a deck of cards numbered 1 through 20. The cards are shuffled. One card is picked at random. What is the probability that he picked an odd number?

• 1/2

• 9/20

• 1/20

• 5/20

Mr. Tibbets has a deck of cards numbered 1 through 20. The cards are shuffled. One card is picked at random. What is the probability that he picked a 40?

• 1

• 0

• 1/20

• 9/40

Martha picked a card out of Mr. Tibbets deck 40 times. She got a “7” four times. What is the experimental probability Martha will get a “7”?

• 4/20

• 1/10

• 7/20

• 7/40

Martha picked a card out of Mr. Tibbets deck 40 times. She got a “7” four times. Is Martha’s experimental probability greater than or less than the theoretical probability of getting a “7”?

• greater than

• less than

What is the probability of getting a "heads" when you flip a coin?

• 1

• 1/2

• 0

• 1/4

What is the probability of getting a "3" when you roll a die?

• 3/6

• 1/3

• 1/2

• 1/6

What is the probability of choosing Tuesday from the list of days in a week?

• 1/5

• 1/7

• 5/7

• 7/7

What is the probability of picking a weekend day from a list a days in a week?

• 1/7

• 5/7

• 1/1

• 2/7