Test January 16th

Question 1

Binomial standard deviation formula

Answer 1

the square root of the number of events * probability of correct outcomes * (1-probability of incorrect outcomes)

Question 2

Expected Value

Answer 2

n*p

Question 3

Binomial anagram

Answer 3

Binomial (two variables)
Independent variables
Number of correct outcomes
Same probability

Question 4

Geometric anagram

Answer 4

Binomial (two variables)
Independent variables
First correct outcome
Same probability

Question 5

Meaning to binomial probability

Answer 5

probability of getting a correct outcome

Question 6

Meaning of geometric probability

Answer 6

When will you get a correct outcome

Question 7

Binomialpdf

Answer 7

Probability of exactly X number of outcomes

Question 8

Binomialcdf

Answer 8

Probability of X number of outcomes or fewer

Question 9

Independent variables

Answer 9

One happening won’t affect the other

Question 10

Mutually exclusive variables

Answer 10

If one happens the other can not

Question 11

Dependent variables

Answer 11

One relies on the other in order to happen

Question 12

Probability of 0

Answer 12

Means an event will not happen

Question 13

Probability of 1

Answer 13

Means an event certainly will happen

Question 14

Probability Models

Answer 14

Probability % chance

Question 15

Law of Large Numbers

Answer 15

as a sample size grows, its mean gets closer to the average of the whole population

Question 16

Unions and Intersections

Answer 16

The probability of the union of two events (A and B) is always greater than the probability of intersection (A or B)

Question 17

Or situation Rule

Answer 17

P(A or B) = P(A) + P(B) - P(A and B)

Question 18

Conditional probability

Answer 18

the chances that some outcome occurs given that another event has also occurred

Question 19

Independent variables probability

Answer 19

P ( B given A ) = P ( B )