Probability Review

You mix the letters below thoroughly. Find the ODDS in favor of drawing a consonant--NUMBERS

• 5:7

• 2:5

• 5:2

• 2:7

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

You mix the letters S E M I T R O P I C A L thoroughly. Without looking, you draw one letter. Find the probability that you select a consonant. Write your answer as a fraction in simplest form.

• 7/12

• 5/12

• 12/5

• 1/3

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

You roll a standard number cube once. Find P(greater than than 7)

• 0

• 1

• 6/7

• 5/6

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

p(yellow)

• 1/2

• 1/6

• 1/8

• 1/4

Tags

CCSS.7.SP.C.5

Find the experimental probability of tossing tails.

• 2/3

• 5/8

• 1/3

• 2

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

• 10; 1/25

• 25; 1/25

• 10; 1/5

• 25; 1/5

Tags

CCSS.7.RP.A.3

CCSS.7.SP.C.5

Suppose the probability that it rains in the next two days is 1/4 for tomorrow and 1/6 for the day after tomorrow. What is P(rain tomorrow, then rain the day after tomorrow)?

• 5/12

• 1/5

• 1/12

• 1/24

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A bag contains 2 blue marbles, 7 green marbles, and 8 yellow marbles. Twice you draw a marble and replace it. Find P(blue, then green).

• 9/17

• 14/17

• 9/289

• 14/289

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

P(consonant, then vowel)

• 1/12

• 2/9

• 1/2

• 1/9

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

You draw 2 marbles. One marble is drawn and not replace. Find P(blue, then green)

• 35/256

• 1/20

• 7/16

• 7/48

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8