Conditional Probability Practice

A bucket contains 50 lottery balls numbered 1-50. One is drawn at random. Find each probability. 1. P(multiple of 6 | 2-digit number). Write as a simplified fraction.

(a)  

Tags

CCSS.HSS.CP.B.6

A bucket contains 50 lottery balls numbered 1-50. One is drawn at random. Find each probability. P(at least 20 | prime number)

Mathematical Equivalence

ON

Tags

CCSS.HSS.CP.B.6

Marti rolls two dice. What is the probability that the sum of the dice is equal to 7, given that the first die is showing a 2? Write as a simplified fraction using "/".

• 1/6
• 1/12

• 2/3

• 1/2

Tags

CCSS.HSS.CP.B.6

Blake randomly chose a letter from alphabet. What is the probability that it is a vowel, given this letter is one of the first 10 letters?

(a)  

Tags

CCSS.HSS.CP.B.6

A card is randomly selected from a standard deck of playing cards. Find the probability that it is a face card, given that a black card is drawn. Write as a simplified fraction.

Mathematical Equivalence

ON

Tags

CCSS.HSS.CP.B.6

A month of the year is randomly chosen. Find the probability that it does not have more than 30 days, given that it starts with the letter A.

Mathematical Equivalence

ON

Tags

CCSS.HSS.CP.B.6

The wheel below is spun. Find each probability.

P(black | A)

Mathematical Equivalence

ON

Tags

CCSS.HSS.CP.B.6

The wheel showing is spun. Find the probability.

P(C | white)

Mathematical Equivalence

ON

Tags

CCSS.HSS.CP.B.6

P(black | B or E)

Mathematical Equivalence

ON

Tags

CCSS.HSS.CP.B.6

A Total of 125 students with these groups:

• 30 chose Swim only

• 20 chose Arts & Crafts only

• 15 chose both Swim and Arts & Crafts

• If a child is randomly selected, P(Swim∣Arts&Crafts)?

Mathematical Equivalence

ON

Tags

CCSS.HSS.CP.B.6