Probability: Question Preview (ID: 30325)


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Vera has eaten 6 donuts over the past few months. Of those donuts, 2 were jelly-filled donuts. What is the experimental probability that the next donut Vera eats will be a jelly-filled donut?
a) 2/8 b) 1/3 c) 1/2 d) not possible
Of the last 20 people at a carnival booth, 8 won a prize. What is the experimental probability that the next person at the booth will win a prize?
a) 1/9 b) 1/2 c) 2/5 d) 8/28
Of the last 18 contestants on a game show, 6 won a prize. What is the experimental probability that the next contestant will win a prize?
a) 1/3 b) not possible c) 1/2 d) 3/18
You roll a 6-sided die numbered 1-6. What is P(4 or less than 5)?
a) 1/6 b) 2/3 c) 5/6 d) not possible
There is a bag with 7 marbles, 4 green, 3 brown.. You pick a marble at random. What is P(not brown)?
a) 3/7 b) not possible c) 1, it is certain d) 4/7
You flip a coin once. What is P(not tails)?
a) not possible b) 50/100 c) 1 d) 1/2
There are 18 pieces of fruit in a basket, including 9 apples. What is the probability that a randomly selected piece of fruit will be an apple?
a) 9 b) 1/2 c) 27 d) 1/3
The Coffee Spot has 20 pastries for sale, including 2 poppy seed muffins. What is the probability that a randomly selected pastry will be a poppy seed muffin?
a) 1/10 b) 2 c) 20 d) 2/22
Hannah is the costume manager for a large theater company. She has 15 different hats, including 6 crowns. What is the probability that a randomly chosen hat from Hannah's inventory will be a crown?
a) 6 b) 15 c) 6/21 d) 2/5
The Corner Cafe recently served 10 pastries, including 2 peach scones. What is the experimental probability that the next pastry served will NOT be a peach scone?
a) 1/2 b) 1/5 c) 3/4 d) 4/5
A miniature golf course recently provided its customers with 8 golf balls, of which 4 were purple. Based on experimental probability, how many of the next 14 golf balls handed out should you expect to be purple golf balls?
a) 7 b) 3 c) 6 d) impossible
Of the donuts recently sold at Daisy Donuts, 8 had sprinkles and 2 did not. Considering this data, how many of the next 5 donuts sold would you expect to have sprinkles?
a) 5 b) 4 c) 2 d) all of them
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