Quizizz Binomial Probability at least/most

A research team at Cornell University conducted a study showing that approximately 10% of all businessmen who wear ties wear them so tightly that they actually reduce blood flow to brain, diminishing cerebral functions. At a board meeting of 20 businessmen, all of whom wear ties, what is the probability that at least one tie is too tight?

• 27.0%

• 12.2%

• 73.0%

• 87.8%

Tags

CCSS.HSS.CP.B.9

CCSS.HSS.CP.B.7

You are playing against Miss Soldan in a student/faculty basketball game. You know she is terrible at free throws (she has an 8% accuracy rate), so you keep fouling her. If she attempts 18 free throws, what is the probability that she makes more than 3 of them?

• 0.05
• 0.95
• 0.17
• 0.83

Tags

CCSS.HSS.CP.B.9

The student who makes the morning announcements has the bad habit of saying “like” all the time. The chance that they say “like” in a sentence is 60%. You decide to keep a tally of how many times they say like. If they say 350 sentences this week, what is the probability that they will say “like” at least 200 times?

• 0.87
• 0.13
• 0.85
• 0.15

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.ID.A.4

According to a recent survey, 15% of houses in America are haunted by a ghost. If your neighborhood has 40 houses, what is the probability that 5 or more of them are haunted?

• 0.74
• 0.26
• 0.57
• 0.43

Tags

CCSS.HSS.CP.B.9

You have decided to drop out of school and move to Vegas, where you will learn to count cards and get rich. If you draw 12 cards out of a deck (with replacement), what is the probability that you get at least 7 red cards?

• 0.39
• 0.61
• 0.19
• 0.81

Tags

CCSS.HSS.CP.B.9

CCSS.HSS.CP.A.1

You are bored in Miss Soldan’s class, so you pass the time by flipping a coin 100 times. What is the probability that you get more than 51 tails?

• 0.38
• 0.62
• 0.46
• 0.54

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.ID.A.4

You trick Miss Soldan into playing for the juniors in the Powder Puff football game. As a quarterback, she typically completes 3% of her passes. If she makes 25 passes in the game, what is the probability that she will complete at least 3?

• 0.04
• 0.96
• 0.01
• 0.99

Tags

CCSS.HSS.CP.B.9

You notice that cold weather makes Dr. Marks extra salty. When the weather is cold, there is a 40% chance of a tardy sweep. If February has 19 cold days, what is the probability that Dr. Marks will call more than 5 tardy sweeps?

• 0.84
• 0.16
• 0.93
• 0.07

Tags

CCSS.HSS.CP.B.9

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.2

It is a little known fact that Miss Wanda is a world-famous poker player in her spare time. If she draws 8 cards out of a deck (with replacement), what is the probability that she gets 3 or more spades?

• 0.32
• 0.68
• 0.11
• 0.89

Tags

CCSS.HSS.CP.B.9

You accidentally marry a Duggar (from 19 Kids and Counting). At the wedding reception, you are informed that you are expected to have 15 children. What is the probability that you will have 8 or more girls?

• 0.50
• 0.49
• 0.30
• 0.70

Tags

CCSS.HSS.CP.B.9

CCSS.HSS.MD.A.3