theoretical vs. experimental probability

A classroom has 28 students. 11 of these students are boys. If a student is randomly chosen, what's the probability that the student will be a girl? Round

• about 57%
• about 61%
• about 39%
• about 40%

Tags

CCSS.7.SP.C.7B

Emma is playing a spinning game using the spinner shown. She gets one spin and needs green to win. What's probability that she will NOT win?

• .25
• .75
• .70
• 40

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Isidro flips a fair coin 40 times. How many times can he expect heads to appear?

• 4
• 10
• 15
• 20

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Dustin has a spinner that is divided into
5 equal-size sections colored red, blue, orange, white, and green. What is the probability that Dustin spins pink on the next spin?

• 0
• 0.25
• 0.5
• 0.75

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A number cube has sides labeled 1 to 6. Hannah rolls the number cube 18 times. How many times can she expect to roll a number less than 3?

• 2
• 3
• 6
• 8

Tags

CCSS.7.SP.C.6

Flavia has a bag with 8 white balls, 9 red balls, 14 green balls, and 10 orange balls. If she chooses a ball from the bag without looking, which color ball will Flavia be least likely to choose?

• white
• red
• green
• orange

Tags

CCSS.7.SP.C.5

What is the Theoretical Probability of not landing on red?

• 25%
• 50%
• 65%
• 66.7%

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

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.5

CCSS.7.SP.C.6

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

• 3/5
• 1/6
• 2/5
• 1/3

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

Quinn runs a sandwich shop. Since she added a turkey melt to the menu, 36 out of 120 customers have ordered the new sandwich. What is the probability that the next customer will order a turkey melt?
choose the answer that is simplified.

• 36/120
• 3/10
• 1/3
• 9/30

Tags

CCSS.7.SP.C.6