Probability

Probability is

• the chance that an event will occur.

• a game that involves coins.

• a guarantee.

A set of all possible outcomes is known as - 

• a list
• a complement
• a sample space
• an event

Tags

CCSS.HSS.CP.A.1

Probability can be written as

• a fraction

• a decimal

• a percentage

• all of the above

A sure event has a probability of

• 0

• 1

• 0.5

• 100

An impossible event has the probability of

• 3

• 1

• 2

• 0

There are 22 students in a class. There are 16 boys, find the probability that a boy is chosen as a chairman?

•  $\frac{8}{11}$  

•  $16$  

•  $\frac{3}{11}$  

•  $\frac{16}{22}$  

There are 22 students in a class. There are 16 boys, find the probability that a girl is chosen as a chairman?

•  $\frac{8}{11}$  

•  $16$  

•  $\frac{3}{11}$  

•  $\frac{16}{22}$  

A six sided dice is rolled. What is the probability of obtaining a 2.

•  $\frac{1}{2}$  

•  $\frac{1}{6}$  

•  $\frac{1}{3}$  

•  $\frac{5}{6}$  

A six sided dice is rolled. What is the probability of obtaining a 7.

•  $1$  

•  $\frac{1}{6}$  

•  $\frac{1}{3}$  

•  $0$  

A six sided dice is rolled. What is the probability of obtaining a prime number.

•  $1$  

•  $\frac{1}{6}$  

•  $\frac{1}{2}$  

•  $0$