4 Chapter Review

A multiple-choice question on a quiz has possible correct answers of a, b, c, d, e. What is the probability that "false" is the correct answer?

Tags

CCSS.7.SP.C.5

A weather reporter stated that there are 3 chances in 10 of rain today. What is the probability of no rain today?

• 0

• 0.3

• 0.7

• 1

Tags

CCSS.7.SP.C.5

If a day of the week is randomly selected, what is the probably that it is a day containing the letter y?

Tags

CCSS.7.SP.C.7B

Based on a Harris poll, 20% of adults smoke. If two adults are randomly selected, what is the probability that they both smoke?

• 0.4

• 0.2

• 0.02

• 0.04

If 1 of the 839 challenges is randomly selected, find the probability of getting a challenge that was rejected. (Decimal answer to 3 decimal places).

Tags

CCSS.8.SP.A.4

If 1 of the 839 challenges is randomly selected, find the probability of getting a challenge that was made by a male player or rejected. (Decimal answer to 3 decimal places).

Tags

CCSS.HSS.CP.B.7

Find the probability of randomly selecting 1 of the 839 challenges and getting a challenge that was accepted and was made by a female player. (Decimal answer to 3 decimal places).

Tags

CCSS.8.SP.A.4

Find the probability of randomly selecting 2 different challenges and finding that they were both accepted challenges made by female players. (Decimal answer to 4decimal places).

Tags

CCSS.HSS.CP.B.9

Find the probability of randomly selecting 1 of the 839 challenges and getting a challenge that was accepted, given that it was made by a female player. (Decimal answer to 3 decimal places).

Tags

CCSS.HSS.CP.A.4