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Terms
What's that symbol?
Common Equations
Calculations
100

True or False? The number of siblings you have is an example of discrete data.

True!

100

The name of this symbol x̄ , used to represent the mean.

X bar

100

Complete the equation: p1 + p2 + …+ p__=1

Pk (P of k, where x=k)

100

If p0 = 0.1, p1= 0.20, p2= 0.4, then what is p3?

0.30

200

Uniform, Binomial and Geometric are all types of this

Discrete Distributions

200

Anytime we see P(x), we immediately think of ________

Probability

200

Give the equation for the mean of a PDF

ΣxP(x)

200

Create, label and fill the PDF for the following x values (0,1,2,3) and their respective probabilities (0.10, 0.20, 0.40, 0.30) 

x      |    0  |  1  |  2  |   3  |

_______________________

P(x)  | 0.1  |0.2 | 0.4 | 0.3 |

300

A chart that displays all the values that the specific variable can take on and their associated probabilities.

Probability Distribution Function

300

The name of this symbol (∑), which represent the sum. (2 words)

Capital/Uppercase Sigma

300

Give the equation for the fourth step in the chart when calculating standard deviation of a DRV.

(x-x̄)2P(x)

300

Find the mean of the previous PDF. Round to the first decimal place. 

1.9

400

A mean is also called this ___________ (with the initials E.V.)

Expected Value

400

This symbol (√ ), which is the opposite of squaring something.

Square root

400

Give the equation for subtracting the mean of C from the mean of K.

x̄k-c= x̄k- x̄c

400

Find the variance of the previous PDF. Round to the nearest 2 decimal places.

0.89

500

This law states that as the number of trials in a probability experiment increases, the theoretical probability gets closer to the true probability.

Law of Large Numbers

500

Represented by the sum of squares and the square of standard deviation.

σ2

500

Give the equation for the variance of A plus B and the variance of A minus B

σ2A+B= σ2A-B= σ2A+σ2B

500

Find the standard deviation. Round to the nearest 2 decimals.

0.94