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Probability Quiz

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Last updated 11 months ago
20 questions
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Question 1
1.

What is the probability of
randomly selecting an odd
number from the numbers
1 -15?

Question 2
2.

Twelve students have an
equally likely chance of being
selected in a drawing at
school. Eight are 7th graders
and four are 8th graders.
What is the probability that an
8th grader will be selected?

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Question 3
3.
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Question 4
4.
Question 5
5.

In a game, the player is successful if he rolls a 4 on a
number cube. If the number cube is rolled 24
times, how many times could he expect an
unsuccessful roll?

Question 6
6.

Jason rolls a standard dice 100 times and rolls an odd number 59 times. He states that the theoretical probability of rolling a dice and getting an odd number is 59/100. Is this a true or false statement?

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Question 7
7.
Question 8
8.

Two coins are flipped. What is the
probability that both coins land on heads?

Question 9
9.

At a school assembly, 3 out of the first 10
students were wearing spirit wear. Based on
this information, if 400 students were at the
assembly, then how many students could be
expected to have on spirit wear?

Question 10
10.

There are five marbles in a bag. Three are
green and two are yellow. You draw a marble,
replace it, and then draw another. What is the
probability of choosing two yellow marbles?

Question 11
11.

Two number cubes are rolled sequentially.
What is the probability that the first number
cube shows a five and the other number cube
shows an even number?

Question 12
12.

There are five candies in a bag. Three are
chewy, and two are chocolate. You draw a
candy, do not replace it, and then draw another.
What is the probability of choosing two
chocolate candies?

Question 13
13.

The letters in the word AUGUST are placed
in a bag. What is the probability of selecting a
U?

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Question 14
14.

What is the
probability of not landing on a heart?

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Question 15
15.

Daniel is going to randomly select a sock
from his drawer containing the socks shown
below. If Daniel does this 60 times, what is a
reasonable prediction for the number of times
he will get a striped sock?

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Question 16
16.

Based on these results, if 189 pizzas were sold
by the end of the day, how many pizzas could
be expected to be cheese?

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Question 17
17.

Michael has a set of five cards shown
below. Michael will randomly select a card, not
replace it, and then select another card. What
is the probability that he selects a prime
number and then a 1?

(HINT: a prime number is a whole number greater than 1 that cannot be exactly divided by any whole number other than itself and 1)

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Question 18
18.
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Question 19
19.
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Question 20
20.