Probability

Use the spinner. It is equally probable that the pointer will land on any one of the six regions. If the pointer lands on a border line, spin again. If the pointer is spun twice, what is the probability it will land on

grey and then blue. (integer or simplified fraction)

• 1/2

• 1/12

• 3/36

What is the probability that the spinner will land on green and then green?

• 1/9

• 2/6

• /6

If the spinner is spun twice, find the probability that the spinner will land on a color other than grey for each spin.

• 1/6

• 2/12

• 25/36

A single die is rolled twice. Find the probability of rolling a 1 the first time and a 4 the second time.

• 1/6

• 1/36

• 2/12

You draw one card from a 52-card deck. Then the card is replaced in the deck and the deck is shuffled, and you draw again. Find the probability of drawing a four the first time and a club the second time.

• 4/52

• 1/52

• 16/52

Elizabeth brought a box of donuts to share. There are two dozen (24) donuts in the box all identical in size, shape, and color. Five are jelly-filled, 4 are lemon-filled, and 15 are custard-filled. You randomly select one donut, eat it and select another. Find the probability of selecting two custard filled donuts in a row.

• 35/92

• 15/24

• 1/3

Consider a political discussion group consisting of 5 democrats, 7 republican and 4 independents. Suppose that two group members are randomly selected to attend a political convention. Find the probability of selecting 2 republicans.

• 1/2

• 5/40

• 7/40

Consider a political discussion group consisting of 8 democrats, 4 republican and 6 independents. Suppose that two group members are randomly selected to attend a political convention. Find the probability of selecting 2 democrats.

• 5/17

• 6/17

• 1/2

An ice chest contains 8 cans of apple juice, 5 cans of grape juice, 7 cans of orange juice, and 6 cans of mango juice. Suppose that you reach into the container and randomly select 3 cans in succession. Find the probability of selecting three cans of grape juice.

• 5/260

• 5/26

• 1/260

An ice chest contains six cans of apple juice, eight cans of grape juice, four cans of orange juice, and two cans of mango juice. Suppose that you reach into the container and randomly select 3 cans in succession. Find the probability of selecting a can of orange juice, then a can of mango juice, then a can of grape juice.

• 6/20

• 8/855

• 6/855