Definitions
Events that cannot happen at the same time are...
Mutually exclusive
means they have "no outcomes in common"
Randomly selecting a male mathematics major and selecting someone who is 21 years old.
M.E. or not M.E.?
These can happen at the same time, they are NOT mutually exclusive
13/14 = 0.929 = 92.9%
DBL JEOPARDY
The positions that I played college football in was kicker and punter. What positions did I play in high school?
Kicker and punter
P(B or A) = P(A) + P(B) - P(BandA) is the equation for what type of event?
Not Mutually Exclusive
What is the probability of rolling a 6 or an even number?
3/6 = .5 = 50%
An ordered arrangement of objects is called what?
Permutation
TRIPLE JEOPARDY
How many half siblings do I have?
4
DBL JEOPARDY
P(B or A) = P(A) + P(B) is the equation for which type of event?
Mutually Exclusive
DBL JEOPARDY
14.2% of boxes have a smashed corner, 13.8% have a punctured corner, and 9.4% have a both a smashed and puncture in it. What's the probability of selecting a box that has is smashed or has a puncture in it?
14.2 + 13.8 - 9.4 = 18.6%
43 P 3
43 x 42 x 41
74,046
I currently own how many businesses?
2
DBL JEOPARDY
The probability of an event occurring, given that another event has occurred is called what?
Often written as P(B|A)
Conditional Probability
DBL JEOPARDY
How many different ways can I rearrange the first 3 movies played, out of a list of 15 movies, assuming the order that they are played does not matter?
(15x14x13) / (3x2x1)
455
The number of ways a four-person committee can be chosen from 12 people is considered what AND why?
Combination, because the order of the committee members does not matter
What state did I receive my Masters in?
Oklahoma
Multiplying the probabilities of two events together to determine the probability of both of them happening is called the?
Multiplication Rule
DBL JEOPARDY
How many 4-letter passwords can be formed from the letters F, N, J, L, E, P, Y, K, and G, assuming none of the letters can repeat.
9 x 8 x 7 x 6
3,024
A lottery ticket's winning numbers are being selected. You must match all 5 numbers in order. How many different outcomes are there if the lottery drawing has 55 numbers and no number can be repeated?
55 x 54 x 53 x 52 x 51
417,451,320
I have the dream of watching a game in all 30 MLB stadiums. How many stadiums have I visited already in my lifetime, old and new?
6
Indians, Yankees, Tigers, Marlins, Rays, Athletics,