Statistics 5.2 More About Probability

The numbers 4-6 are written on cards and placed face down. Then a coin is flipped. List the sample space for selecting a card and then flipping a coin.

• 4H, 4T, 5H, 5T, 6H, 6T

• 4, 5, 6

• H, T

• 4, 5, 6, H, T

Tags

CCSS.7.SP.C.8B

A bag of marbles contains 5 red, 8 green and 2 blue marbles. If two marbles are chosen randomly and not put back in the bag, what is the probability that you pick a red marble first and a green marble second?

A bag of marbles contains 5 red, 8 green and 2 blue marbles. If two marbles are chosen randomly and not put back in the bag, what is the probability that you pick two green marbles?

Tags

CCSS.HSS.CP.B.9

A bag of marbles contains 5 red, 8 green and 2 blue marbles. If two marbles are chosen randomly and put back in the bag, what is the probability that you pick a blue marble and then a green marble?

In rolling a standard die with six sides, what is the probability of not getting a 2 or 5?

What does the following notation mean?

P(B|A)

• The probability that event B will happen after event A happens.

• The probability that event A will happen after event B happens.

Tags

CCSS.HSS.CP.A.5

CCSS.HSS.CP.A.3

What is the probability that you draw a club first and then a diamond from a standard deck of cards WITH REPLACING?

What is the probability that you draw a club first and then a diamond from a standard deck of cards WITHOUT REPLACING?

Which of the following is/are dependent events?

• The pointer of a lucky wheel stops at the same sector twice consecutively

• The selection of two boys from a group of ten girls and fourteen boys at random

• Answer three objective questions with four options correctly if the answer of each question is chosen at random

• Obtain two pens of the same colour when two pens are taken out at random from a container that contains 3 red pens and 2 blue pens with replacement.

Tags

CCSS.HSS.CP.A.5

According to an investigation, the probability of rainfall on Mountain X in May is 0.45.

Calculate the probability that Mountain X will have two consecutive rainy days in May.