Semester 1 Interim STA

About 13 out of 20 homes have a personal computer.  On a street with 60 homes, how many would you expect to have a personal computer?

• 7 homes
• 39 homes
• 73 homes 
• 40 homes

Tags

CCSS.7.RP.A.3

The waiting time to ride a roller coaster is 20 minutes when 150 people are in line. How long is the waiting time when 1,200 people are in line?

• 120 min

• 140 min

• 160 min

• 180 min

Tags

CCSS.6.RP.A.3B

Kyleigh saw 10 blue, 8 red, and 42 white cars drive by her house in 1 hour. What is the experimental probability that the next car the drives by her house will not be a white car?

• .5

• .6

• .3

• .7

Tags

CCSS.7.SP.C.6

A restaurant surveys customers with the following results: 8 pizzas, 12 hamburgers, 14 pastas, and 6 steaks. What is the experimental probability of pizza or steak?

P(pizza or steak)

• 20%

• 65%

• 50%

• 35%

Tags

CCSS.HSS.CP.B.7

Experimental Probability is:

• What Will happen 
• What actually happens
• What should happen
• What I think Happens

Jason rolls a die 14 times.. What is the Experimental probability that he will roll a 1 or 6?

• 1/3

• 1/4

• 3/7

• 1/8

Tags

CCSS.7.SP.C.6

Find the experimental probability:
Roll dice:  1, 3, 3, 4, 4
P(1) = 

• 3/5
• 1/6
• 2/5
• 1/5

Tags

CCSS.7.SP.C.6

A dice is rolled 50 times. It lands on six 37 times. What is the experimental probability of the dice landing on six?

Tags

CCSS.7.SP.C.6

A bag contains 5 blue marbles, 4 red marbles, and 3 orange marbles. Mrs. Cox picks one without looking, replaces it and picks another one. What is the probability that she picks two that are not orange? 

• 9/16
• 3/4
• 9/144
• 5/16

Ricardo has the spinner pictured here and a bag of marbles filled with 2 red marbles, 3 green marbles, and 3 blue marbles. What is the probability that Ricardo spins red on the spinner and picks a red marble out of the bag?

• 1 ⁄ 16
• 1 ⁄ 2
• 1 ⁄ 4
• 1 ⁄ 8