Probability Involving Returning And Keeping Objects Question Preview (ID: 23848)


Probability Involving Returning And Keeping Objects. TEACHERS: click here for quick copy question ID numbers.

From a bag containing 3 red marbles and 2 blue, Gerardo draws 1 blue marble and puts it back. What is the probability that he will draw a blue marble again.
a) 1/5
b) 2/5
c) 1/4
d) 2/4 (= 1/2)

From a bag containing 3 red marbles and 2 blue, Gerardo draws 1 blue marble and keeps it. What is the probability that he will draw a blue marble again.
a) 1/5
b) 2/5
c) 1/4
d) 2/4 (= 1/2)

From a bag containing 3 red marbles and 2 blue, Gerardo draws 1 red marble and puts it back. What is the probability that he will draw a red marble again.
a) 2/5
b) 3/5
c) 2/4 (= 1/2)
d) 3/4

From a bag containing 3 red marbles and 2 blue, Gerardo draws 1 red marble and keeps it. What is the probability that he will draw a red marble again.
a) 2/5
b) 3/5
c) 2/4 (= 1/2)
d) 3/4

There are four cards, a jack, a queen, a king, and an ace. If Martha draws a card and puts it back, what is the probability that she will get a king?
a) 1/4
b) 1/5
c) 2/4 ( = 1/2)
d) 2/5

There are five cards, a ten, a jack, a queen, a king, and an ace. If Sage draws a king and keeps it, what is the probability that he will get a jack?
a) 1/4
b) 1/5
c) 2/4 ( = 1/2)
d) 2/5

A bag has 10 yellow marbles and 3 purple marbles. If you want to select one marble, how many total possibilities (choices) do you have.
a) 1
b) 3
c) 10
d) 13

Chris found that probability of a selection of one marble from a bag of 22 marbles is 1/22. What is the total number of possibilities?
a) 3
b) 25
c) 22
d) 1

You have 52 cards. You choose one and put it back. When you select the next card, how many choices do you have?
a) 52
b) 51
c) 1
d) 2

You have 52 cards. You choose one and keep it. When you select the next card, how many choices do you have?
a) 52
b) 51
c) 1
d) 2

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