Probabilty

A bag contains 5 blue, 12 green, 9 red, and 4 yellow marbles. What is the probability of pulling a green marble out of the bag?

• 40%

• 12%

• 67%

• 60%

Tags

CCSS.7.SP.C.7B

A restaurant sells eggs for breakfast. Of the last 12 orders, 8 were for scrambled eggs. What is the experimental probability that the next customer will order scrambled eggs?

• 33%

• 40%

• 67%

• 20%

Tags

CCSS.7.SP.C.6

Colored chips are pulled out of a bag. The results are shown in the table above. Based on the table, what is the probability that you will pull a yellow or red chip out of the bag?

• 20%

• 55%

• 15%

• 45%

Tags

CCSS.HSS.CP.B.7

A family of 3 plans to sit in the same row at a movie theater. How many ways can the family be seated in 3 seats?

• 3

• 6

• 1

A group of 8 swimmers are swimming in a race. Prizes are given for first, second, and third place. How many different outcomes can there be?

• 336

• 56

• 24

Four students need to be selected from a class

of 15 to help clean up the campus. How many different ways can the 4 students be chosen?

• 32 760

• 60

• 1 365

Four students need to be selected from a class of 15 to help clean up the campus. How many different ways can the 4 students be chosen, if the only two girls refuse to help?

• 715

• 1 365

• 120

Permutation, combination, or neither?
There are 45 applicants for three Computer Programmer job positions.

• combination
• permutation
• neither

Which of the following is an example of combination?

• Form a passcode with 4 digits
• Students line up in a queue to assembly
• Choose 4 students in a class committee
• Choose the chairperson, secretary and treasurer in a club

Permutation, combination, or neither?
A team of 8 basketball players need to choose a co-captain and captain.

• combination
• permutation
• neither