Vocabulary
Formulas
Problems
Which One
Random
100
This value is based on the outcome of a random event.
What is a random variable.
100
What is the formula, the square root of variance, used for?
What is standard deviation.
100

Find the expected value of the following: x 0 1 2 P(x) .2 .4 .4

What is 0 + .4 + .8 = 1.2

100
Determine if the statement is true of false; In most applications, continuous random variables represent counted data, while discrete random variables represent measured data.
What is false.
100

Who is the artist for Mr. Cardenas' guilty pleasure song from back in high school?

Who is Rihanna?

200
The theoretical long-run average value is ... ?
What is expected value.
200
What is the formula, sum of x times p(x), for?
What is expected value.
200
Find the standard deviation of the following: x 0 1 2 P(x) .2 .4 .4
What is SD^2 = (0-1.2)^2(.2) + (1-1.2)^2(.4) + (2-1.2)^2(.4) SD^2 = .56 SD = .748
200
Hollister receives a new order of shirts each month. They receive 5 more shirts than the previous month each time. Would this data be discrete or continuous?
What is discrete.
200

Who are the three rap artists engaged in what is shaping up to be the most highly-anticipated beef of the 2020's?

Who are Drake, J Cole, and Kendrick Lamar?

300

A probability distribution for a Random Variable X, where values of X can contain whole number and decimal values.

What is a continuous random variable.

300

what does a random variable "X" represent?

What is a possible numeric value our RV can take on?

300

In a Geometric setting, given the P(success) = .45

What is the expected value of the probability distribution?

What is mean: 2.22222

300
Mark refills his pool each day. He puts gallons of water in each day, adding two gollars more each day. He wants to keep a graph of how many gallons he puts in each day. Is this data discrete or continuous?
What is continuous.
300

The title of the most popular segment in Mr. Cardenas's Team Builder Trivia activities.

What is Poly-JAM-orous?

400

A probability distribution for a Random Variable X, where values of X contain whole number values exclusively/

What is a discrete random variable.

400
what does this notation stand for, σ^2?
What is variance.
400

Telephone poles are typically between 60ft and 120ft tall. Telephone poles shorter than 60ft are cut up and repurposed for other applications.  A lumber mill boasts a production rate of 95% of their telephone poles being in this height range. Suppose they produce a truckload of 15 telephone poles and record the heights of each pole.

What is the probability that 11 randomly chosen telephone poles are in this height range?

What is 0.00485 (0.49%)

400

Suppose we shuffle a standard deck of cards, and we turn over the top card. We put the card back in the deck and reshuffle. We repeat this process until we get a Jack.

What is Geometric

400

What university did Mr. Cardenas go to?

What is Cal State Long Beach?

500

The collection of all the possible values and the probabilites that they occur is called the ........ for the random variable.

What is a probability distribution (model).

500
What does this notation stand for, µx?
What is the mean (expected value) of a random variable.
500

The Internal Revenue Service estimates that 20% of all taxpayers filling out forms make mistakes. An IRS employee randomly selects and checks 30 forms for mistakes. It is safe to assume that each form checked is independent.

What is the probability that exactly nine forms have an error?

What is 0.06756 (6.76%)?

500

Mr. Cardenas notices a certain student shows up late to class 60% of the time. For the entirety of the third quarter, he records how many times they were late to class. This study lasted over the course of 30 class meetings.

What is Binomial

500

What is my favorite color?

What is Red?

M
e
n
u