Z scores
What is the Z score of a mean of a standard normal distribution?
0
What does the I stand for in BINS
Independent
How many ways can you organize a bookshelf with 4 books if order does matter?
24
This is the probability of rolling a number greater than 4 on a standard die.
1/3
In what continent does the country exist in which exports the most bananas (bonus points if you get the country right as well)
South America (Edcuador)
What is Z score formula
x-u/std
What is the formula for solving a Binomial Setting
nCr * Pr(1-P)n-r
This formula is used to find permutations of n objects taken r at a time.
nPr=n!/(n−r)!
Find the probability of drawing a red marble from a bag that contains the following colored marbles.
5 Blue marbles, 2 Orange marbles, 1 Black Marble, 2 red marbles
20%
Which U.S. state is known as the “Land of 10,000 Lakes?”
Minnesota
Find the Z score for the following. Jeff takes an exam and he scores a 88, he wants to find out if he ?did bad. The exam average was a 78 and the standard deviation was 10. What was his Z score
1
My friend Ben is a 75% free throw shooter and is going to shoot 5 free throws. He wants to find out what the probability it is that he makes exactly 4 out of the 5 free throws? What is it?
.3955
This is the number of ways to arrange the letters in “CAT.” If order matters?
6
Jose is on the football team and is team captain. Part of his responsibilities is to call the coin toss before the game. He wants to find the probability that he wins the coin toss for tonights game. What is his probability?
50%
What state has the longest freshwater shoreline?
Michigan
This is the approximate percentage of data within 2 standard deviations of the mean.
95%
Jeff is playing Mario Kart with his friends who are very good players. He only has a 10% chance to win each race, and there are 3 races. What is the probability he wins exactly one race?
.243
What does a ! mean in math?
A factorial..
A class has 12 students wearing orange and 8 students wearing red. What is probability of selecting a student at random who is wearing red or orange?
100%
M&M’S Fruit Chews would eventually become what popular candy?
Starbursts
Jeff takes another exam and fins that his Z score is -2. The average on the exam was a 80, and the standard deviation is 5. What was Jeff's score?
70
Dean is watching a TV show on Netflix. She is having internet issues, and there is a 20% chance the Internet fails while she is watching a TV show. She is wanting to binge 7 episodes of Game of Thrones. What is the probability she can watch 7 shows in a row succesfully?
.042
solve for 6!
720
In a group of 20 students, 12 play sports, 8 are in band, and 5 do both. (Make a venn Diagram). What is the probability a randomly selected student does at least one of band or sports?
75%
In what fictional Indiana town does the sci-fi series “Stranger Things” take place?
Hawkins