13.3- Day 1 Making predictions with Thoretical Probabilit

You flip a fair coin 18 times. About how many times would you expect heads to appear?

• 2

• 10

• 9

• 6

Celia volunteers at her local animal shelter. She has an equally likely chance to be assigned to the dog, cat, bird, or reptile section. If she volunteers 24 times, about how many times should she expect to be assigned to the dog section?

• 8

• 6

• 4

• 20

Bob works at a construction company. He has an equally likely chance to be assigned to work different crews every day. He can be assigned to work on crews building apartments, condominiums, or houses. If he works 18 days a month, about how many times should he expect to be assigned to the house crew?

• 6

• 9

• 3

• 1

During a raffle drawing, half of the ticket holders will receive a prize. The winners are equally likely to win one of three prizes: a book, a gift certificate to a restaurant, or a movie ticket. If there are 300 ticket holders, predict the number of people who will win a movie ticket.

• 150

• 200

• 100

• 50

Suppose a solitaire player has played 1,000 games. Predict how many times the player turned over a red card as the first card

• 26

• 500

• 260

• 50

If a coin is tossed 4 times, how many times can you expect it to land on heads?

• 1

• 2

• 3

• 4

If a spinner that is divided into 4 equal sections and is spun 80 times, how often can you expect it to land on 2?

• 2

• 1

• 40

• 20

Sandra flips a coin 28 times. How many times can Sandra expect the coin to land on tails?

• 12

• 14

• 10

• 20

Li rolls a number cube labeled 1 to 6 a total of 15 times. How many times can she expect to roll a 1 or a 2?

• 9

• 10

• 12

• 5

The theoretical probability of drawing a red marble is 1 out of 9. How many red marbles can you expect to get in 72 draws?

• 9

• 63

• 8

• 18