3/27: 3rd Period: Modules 5 & 6

At a city hospital, 40 boys and 50 girls were born yesterday.

What is the experimental probability that the next baby born will be a girl?

• 4/5

• 4/9

• 5/9

A garden has 20 roses, 30 tulips, and 40 daffodils.

If Selma randomly selects a flower from the garden,

which flower is she least likely to pick?

• Tulip

• Rose

• Daffodil

Beatrice drives 50 miles per hour.

How many hours does it take her to drive 100 miles?

• 3

• 2

• 1

A spinner is divided into 4 equal sections colored red, green, blue, and orange.

Ennis spins the spinner. What is the probability that he spins orange?

• 1/2

• 0

• 1/4

Patrick flips a coin 100 times. How many times can he expect to flip heads?

• 100

• 50

• 70

Billy is on a weekend fishing trip with his scout troop.

So far he has caught 4 trout and 10 catfish. What is the probability that the

next fish that Billy catches will be a catfish?

At a sandwich shop, Diana can select from 2 types of bread and 5 types of meat.

If she randomly selects 1 type of bread and 1 type of meat,

how many possible choices does she have?

Alicia randomly selects one number from the list of numbers below.

20, 25, 30, −35, 40

What is the probability that she selects a positive number?

The probability that Fadi wins a certain game of chance is 1/3 . Fadi plays the game 150 times.

How many times can he expect to win the game?

A special deck of cards has 10 red cards, 20 blue cards, and 40 green cards.

If Tay randomly draws a card, what is the probability that it will be green?