Stats 3.2 Basic Probability Rules

Front

What is the probability of getting any letter that is not A?

Back

3/4

Tags

CCSS.7.SP.C.7B

Front

If Mrs. Mack polls the class and asks, "What is your favorite pizza topping?" Suppose that the responses include: 10% cheese; 30% pepperoni; 25% sausage; 5% ham. What percent of the class have another opinion?

Back

30%

Front

The chance of rolling a 2 is 1/6. What is the chance of not rolling a 2?

Back

5/6

Front

When rolling a 6 sided die, what is the probability of rolling either an even number or a 5?

Back

2/3

Tags

CCSS.HSS.CP.B.7

Front

Danny has 20 chocolates. 5 are milk chocolates, 10 are dark chocolates, and 5 are white chocolates. What is the probability of getting a milk chocolate or a dark chocolate?

Back

3/4

Tags

CCSS.HSS.CP.B.7

Front

Define probability.

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Tags

CCSS.7.SP.C.5

Front

What is the formula for calculating the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes)

Tags

CCSS.7.SP.C.7A

Front

What is the complement of an event?

Back

The complement of an event A is the event that A does not occur, denoted as A'. The probability of A' is 1 - P(A).

Tags

CCSS.HSS.CP.A.1

Front

What is the probability of rolling an odd number on a 6-sided die?

Back

3/6 or 1/2 (The odd numbers are 1, 3, and 5).

Tags

CCSS.7.SP.C.7A

Front

If the probability of an event is 0.2, what is the probability of the event not occurring?

Back

0.8 (1 - 0.2 = 0.8).

Tags

CCSS.7.SP.C.5