Super simple Prob.
What is the Probability of rolling wither a 5 or a 6 on a standard number cube?
2/6 or 1/3
Sample size: 60
Number who own a 74" TV: 12
Population: 240
Write an equation that can be used to determine how many of the 240 would own a 74" TV
12/60 = x/240
You roll a die and flip a coin.
what is the probability you roll a 5 and flip a head?
1/12
1/6 x 1/2
What percent is 24/60?
40%
Divide
At the old diamond field in Arizona 1 of every 6 people who search the field find a diamond. Which probability models can be used to simulate the "hunters" chance of finding a diamond?
A) A fair six-sided die
B) A spinner with equal sections
C) A spinner with 6 equal sections
D) A fair coin
E) A bag of 15 blue chips and 75 red chips
A...C...E
Probability of drawing a red card at random out of a standard deck of cards (NO JOKERS)
Note: There are 4 suits in a deck of cards of which hearts and diamonds are red
P(RED CARD) = 26/52 or 1/2
Calculate the number of owners from the 100 point question
48
There are 8 blue, 5 red and 9 green marbles in a bag..
P(B) =
P(R) =
P(NOT Green) =
P(B) = 8/22
P(R) = 5/22
P(NOT Green) = 13/22
Andy gets stopped by the train on the way to work 1/6 of the time. In 240 days of work, how many times would Andy get stopped by the train?
40 times.
1/6 = x/240
Given the two word phrase, "Future Robot",
What is the probability of drawing a vowel out of "Future" and then drawing as consonant out of "Robot"
9/30 or 3/10
From 3/6 x 3/5
Given the TYPE OF CAR chart you will be shown,
Find the experimental probabilities for each type of vehicle.
P( convertible) = 12/70 or 6/35
P(Truck) = 35/70 or 1/2
P(SEDAN) = 23/70
27 of 42 people surveyed at the beach preferred Culver's to McDonalds. If there are 2,434 people at the beach, how people would prefer McDonald's?
About 869 would prefer McDonald's
NOTE: About 1565 would prefer Culver's
If there are 5 different pizza toppings , and 2 different types of sauce and 3 different types of crust, how many different 1 topping pizza combinations are there to choose from.
30
5 x 2 x 3
John has to shoot a basket and then throw a baseball through a hole in a tarp. If he does Both he will win $20. He has practiced for one month and knows the probability of him making the basket is 60% and the probability of throwing the ball through the hole is 35%. Based on this information, what is the probability that John will win the $20?
There is a 21% probability of John winning the money.
.60 x .35 =.21
There is a 30% chance a customer that walks into the outlet mall store will buy something. The three numbers 0, 1 and 2 will be used to represent this 30%. What is the probability that at least one of the first three customers that walk into the store will make a purchase?
1) 3, 8, 7, 8, 5, 9, 8
2) 7, 0, 3, 7, 7, 8, 9
3) 9, 7, 3,4, 2, 5, 6
4) 0, 0, 8, 7, 6, 8, 2
5) 6, 7, 9, 7, 2, 0, 4
2/5 40%