Regular Probability
Binomial
Geometric
Normal Distribution
Random Riddles
100

The probability a student takes AP Statistics and AP Environmental Science is .05. The probability a student takes AP Statistics is .18. What is the probability a student takes AP Environmental Science given that the student takes AP Statistics?

What is .2778

P(AP Environmental Science l AP Statistics) =

P(AP Environmental Science and AP Statistics) / P(AP Statistics)

100

The probability a family owns a dog is .40. There are 10 houses on a street. The probability half of the families own a dog is...

What is .2007

100

The probability you find a defective bag of popcorn is .02. What is the probability the first defective bag will be the 10th bag?

What is .0167

100

Freshman GPAs at Dodgeland High School have a mean of 2.93 and standard devation of .39. What is the probability a student has a GPA of between 2 and 3?

What is .5627

100

I have branches, but I don't produce fruit, just money. What am I?

What is a bank?

200

A car comes in 3 different body styles and 5 different colors. How many possible options are there?

What is 15

200

The probability someone makes an 5 in AP statistics test is .15. Ms. Lucius teaches 30 students. What is the probability at no more than 10 students make an 5?

What is .997

200

The probability John wears a green shirt is .05. What is the probability it will take him a month or less (assume 30 days) to wear a green shirt?

What is .7854

200

The class average on a test was 78 with a standard deviation of 12 points. What is probability a student got 70% or less?

What is .2525

200

What kind of tree does a math teacher climb?

What is Geometry?

300

How many ways can I choose 8 papers to grade out of a class of 30 students?

What is 5852925

300

The probability Bob orders dessert at a restaurant is .11. He goes out to eat once a week. What is the probability he orders dessert at least 5 times?

What is .6904

300

The probability it rains is .21. On average, how many days until it rains?

What is 4.76 days

300

An average female is 5'4'' (64 inches). The standard deviation for average female heights is 2.5 inches. Madee is 5'6". What percentage of women are taller than her?

What is 21.19%

300

You throw away the outside and cook the inside. Then you eat the outside and throw away the inside. What did you eat?

What is an ear of corn?

400

If I am rolling two fair dice, what is the probability that I roll a 6?

What is 5/36 or 0.138

400

The probability it will rain any given day is .21. What is the probability it will rain more than 5 days this week?

What is .00049

400

The probability Logan gets a hit is .15. What is the probability it takes him at least 5 at bats to get a hit?

What is .5221

400

The average person has 3.64 car collision claims in their lifetime with a standard deviation of 1.11. If Anna is in the bottom 20% of claims, how many claims has Anna had?

What is 2.71 accidents.

400

A clock chimes 5 times in 4 seconds. How many times will it chime in 10 seconds?

What is 11 times? It chimes at zero and then once every second for 10 seconds.

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