Probability

The cafeteria is serving three kinds of sandwiches:  tuna (T), chicken, (C), and peanut butter (P).  They are also serving a choice of two drinks:  milk (M) or water (W).  Which shows the CORRECT Sample Space List of possible combinations?

• TW, CW, PW
• TW, TM, TC, CW, PW
• TW, TM, CW, CM, PW, PM
• TCP, MW

Tags

CCSS.7.SP.C.8

Which of the following situations is represented by this tree diagram?

• 3 shirt options, 6 pants options, and 12 shoe options
• 3 shirt options, 2 pants options, and 2 shoe options
• 2 shirt options, 3 pants options, and 1 shoe option

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

What is the sample space?

• 6 bears

• orange, green, red, white, yellow

• unlikely

• 2 red bears

Tags

CCSS.7.SP.C.5

What is the probability of flipping a coin 20 times and landing on heads 11 times?

• P = 1/10

• P = 11/20

• P = 9/20

• P = 10/20

What is the complement of flipping a coin 20 times and landing on heads 11 times?

• P' = 1/10

• P' = 11/20

• P' = 9/20

• P' = 10/20

Tags

CCSS.HSS.CP.A.1

The dartboard above is made up of three concentric circles with radii 1, 3, and 5 and Assuming that a dart thrown will land randomly on the dartboard, what is the probability that it lands in the green region?

• 0.32

• 0.36

• 0.40

• 0.60

Tags

CCSS.HSG.MG.A.2

A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?

• 1/9
• 2/9
• 5/21
• 10/21

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

CCSS.7.SP.C.7

A day in the year is randomly chosen. Given the day is in the month of December, what is the probability the day is the 25^th? (December has 31 total days.)

• 8.5%
• 8.84%
• 80.6%
• 3.2%

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.6

You need to make a four digit code using 0-9. You cannot repeat any of the same numbers. How many possible codes are possible?

• 40 codes

• 3024 codes

• 10,000 codes

• 5040 codes

If three alphabets are to be chosen from A, B, C, D and E such that repetition is not allowed then in how many ways it can be done?

• 60
• 45
• 200
• 175