Probability (Ch. 5 Review)

For a family with 3 children what is the probability that they have exactly 1 boy and 2 girls?

• 1/4

• 1/3

• 3/8

• 2/3

A number is randomly chosen between 1 and 99. What is the probability that the number is not a multiple of 9?

• 29/33

• 10/99

• 1/9

• 8/9

A card is chosen at random from a deck of 24 cards, 4 red, 8 black, 6 blue, and 6 green. Then, the card is returned to the deck and a new card is chosen. The table below shows the results of choosing 18 cards. For which color of card is the experimental probability the same as the theoretical probability?

• blue

• black

• red

• green

A research study asked 2892 homeowners how many bedrooms were in their homes. The results are shown in the table below. What is the probability that a homeowner chosen at random has 3 bedrooms?

• about 11%

• about 38%

• about 24%

• about 27%

You play a game that requires rolling a six-sided die then randomly choosing a colored card from a deck containing 3 red cards, 8 blue cards, and 6 yellow cards. Find the probability that you will roll a 2 on the die and then choose a blue card.

• 4/51

• 1/6

• 8/17

• 1/17

At a sandwich shop, 42% of customers buy a drink with their sandwich. Only 28% of customers buy a drink and chips with their sandwich. What is the probability that a customer who buys a drink also buys chips?

• about 66.7%

• 1.5%

• 70%

• 14%

• 0.73

• 0.355

• 0.676

• 0.525

A custom furniture builder wants to earn at least $30 per hour building four different types of furniture: dressers, nightstands, armoires, and chests. Over the course of a year, the builder records the selling and hours worked for each piece and determines whether or not the earning goal is met. The table shows these findings. Which type of furniture best helps meet the earning goal?

• Chest

• Nightstand

• Dresser

• Armoire

You spin a spinner with 9 equal spaces numbered 1 through 9. What is the probability that the spinner lands on a 5 or a 9?

• 8/9

• 7/9

• 1/9

• 2/9

An amusement park has two featured rides that require an additional ticket, the Slingshot and the Scream Flyer. On a summer day, 1279 visitors entered the park. 280 visitors bought tickets for either the Slingshot or the Scream Flyer. 247 visitors bought a ticket for the Slingshot and 237 visitors bought a ticket for the Scream Flyer. What is the probability that a randomly selected visitor bought tickets for both the Slingshot and the Scream Flyer?

• 0.159

• 0.219

• 0.378

• 0.597