All About Probability
P = ?
When ordering a pizza from Don's, there are 3 crust choices, 4 size choices, and one topping from a list of 12. How many possible unique pizzas can you order?
What are 144 Pizzas
What letter represents the Correlation Coefficient?
What is R
The Law of Large Numbers States _________
As the Sample Size increases, the observed value approaches the expected value
Mode > Stat Diagnostics > On
If Two Events Rely on Each Other to Occur, They Are _______
What is Mutually Exclusive
What is 362,880
How do you find the Coefficient of Determination?
What is square R
Define Standard Deviation
What is the average amount that the data skews from the mean or square root of the variance
Math > Prob > nPr
The Probability of Rolling Snake Eyes on Two Dice
P = ?
What is 0.03
The formula for finding Permutations
Which is more accurate, interpolation or extrapolation
Find the mean AND standard deviation of this problem:
The probability that any basketball player makes a free throw is 0.55. In a game, there are 15 free throws attempted. Let X be the number of free throws made, find the mean and standard deviation of X
Mean = 8.25
Standard Deviation = 1.93
Steps to find Poisson (Cdf) Distribution in the Calculator
2nd > Vars > E: Poissoncdf( > Input Mu and X Value
Let P(A) = 0.4, P(B) = 0.5, P(A|B) = 0.6
Find P(A and B)
P = ?
What is 0.3
Ten students are taking an exam, the exam is weighted so five of them will get an A, how many ways can the students get As?
What is 252
It is proven that studying leads to higher exam scores, and the equation for the least squares regression line is ŷ = 5x + 50. If I studied for 5 hours, what would my grade be?
What is 75%
Is the following example a binomial experiment:
Four pitchers are attempting to get a strike-out in a game
No because the pitchers have different skill levels, and the probability of striking out is not identical
Steps to find R for a dataset
Ensure STAT Wizard is ON > STAT > Edit > Input Data in L1 and L2 > STAT > Calc > 4: LinReg (ax + b)
A Fair Die is Rolled 3 times, Find Probability a "2" is Rolled AT LEAST ONCE
P = ?
The difference between Permutations and Combinations is?
Permutations occur when order matters
When R = 0, what does that mean about the x and y data
The data has no correlation (x has no effect on y)
A fly stops to rest on average every minute, following Poisson distribution, what is the probability it stops 6 times in a 5-minute period
What is 0.15
Stat > Edit > Input data into L1 and L2 > Stat > Calc > 1: 1-Var Stats > Select FreqList > Alpha > 2 > Calculate