Mastering Probability Skills

What is the probability of rolling a 3 on a standard six-sided die?

• 1/6

• 1/4

• 1/2

• 2/6

If a bag contains 3 red balls and 2 blue balls, what is the probability of drawing a red ball?

• 3/5

• 1/2

• 2/5

• 4/5

A class has 20 students, 12 of whom are girls. What is the probability of randomly selecting a boy?

• 0.6

• 0.4

• 0.5

• 0.2

In a deck of 52 playing cards, what is the probability of drawing an Ace?

• 1/26

• 1/52

• 1/4

• 1/13

If it rains 30% of the time in a given month, what is the probability that it will not rain?

• 50%

• 70%

• 80%

• 20%

A box contains 5 green, 3 yellow, and 2 blue marbles. What is the probability of picking a yellow marble?

• 0.5

• 0.2

• 0.3

• 0.1

If you flip a coin twice, what is the probability of getting at least one head?

• 0.25

• 0.75

• 1.00

• 0.50

A survey shows that 70% of people prefer chocolate ice cream. If you randomly select 10 people, what is the probability that exactly 7 prefer chocolate?

• 0.350

• 0.500

• 0.150

• 0.267

In a school, 40% of students play football. If there are 200 students, how many are expected to play football?

• 100

• 60

• 80

• 40

If a spinner is divided into 4 equal sections (red, blue, green, yellow), what is the probability of landing on green?

• 1/4

• 3/4

• 1/3

• 1/2