Chapter 4 - Discrete Probability Distributions

Combinations

100

We only use the combinations formula for which type of random variable?

What is binomial

200

This is the formula to find the number of combinations of n choose k.

n! / (k!)(n-k)!

300

Flip a coin 5 times.  Find the number of combinations where 2 of those 5 show tails

Do this one by hand, no formula!!

Each combination has to be listed out with the answer

What is 10

400

Use the formula to find 8 choose 3

56

500

Lebron is attempting 9 free throws in a game.  How many ways are there for him to make exactly 7 of those?

36

Binomial

100

These are the 4 letters we use to determine if a setting is binomial

BINS

200

These are the four things we have to check to satisfy a binomial setting

Binary

Independent

Fixed # of trials

Probability of success stays the same

300

If there are 24 skittles in a particular bag, this is the probability of finding 4 orange skittles.

Which condition is not satisfied here (if any)?

Success

400

This is the probability of a binomial distribution where the probability of success is .34, and we are looking for exactly 5 successes out of 15 trials.

What is .214 or 21.4%?

500

This is the probability that 7 out of 10 surgeries will be successful when the probability of having a successful surgery is 90%.

What is .0574

Geometric

100

These are the four letter used to satisfy a geometric setting

BITS

200

Amy's husband has a .18 chance of getting flowers for her on any given day.  In a week, what is the probability that she gets exactly 1 set of flowers?

Which condition is not satisfied (if ay)?

Trials

300

This is the probability that the first success of a series of trials is on the 5th trial when the probability of success is 0.38.

What is 0.056 or 5.6%?

400

The probability that a typical bag of potato chips is under filled is 68%. This is the probability that the first bag of potato chips bought from a vending machine that is under filled is the 6th bag of chips bought.

What is 0.0022 or .22%?

500

This is the probability that the on a multiple choice quiz with 4 options for each question, if you randomly select answers, your first correct answer will be on the 4th question.

What is 0.105 or 10.5%?

Weird Questions

100

Mr. Shockley's favorite color

Purple

200

Mr. Shockley loves to...

answers will vary!

300

Mr. Shockley played this sport in high school

Volleyball!

400

Let S = Mr. Shockley's age and let A = Ariana Grande's age.  Which of the following is true?

a) S > A

b) S < A

c) S = A

b.

500

Mr. Shockley has a slight addiction to these (has one once a day)

Energy Drinks