Probability Quiz
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Last updated 9 months ago
20 questions
Required
1
What is the probability ofrandomly selecting an oddnumber from the numbers1 -15?
What is the probability of
randomly selecting an odd
number from the numbers
1 -15?
Required
1
Twelve students have anequally likely chance of beingselected in a drawing atschool. Eight are 7th gradersand four are 8th graders.What is the probability that an8th grader will be selected?
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?
Required
1
Required
1
Required
1
In a game, the player is successful if he rolls a 4 on anumber cube. If the number cube is rolled 24times, how many times could he expect an unsuccessful roll?
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?
Required
1
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?
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?
Required
1
Required
1
Two coins are flipped. What is theprobability that both coins land on heads?
Two coins are flipped. What is the
probability that both coins land on heads?
Required
1
At a school assembly, 3 out of the first 10students were wearing spirit wear. Based onthis information, if 400 students were at theassembly, then how many students could beexpected to have on spirit wear?
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?
Required
1
There are five marbles in a bag. Three aregreen and two are yellow. You draw a marble,replace it, and then draw another. What is theprobability of choosing two yellow marbles?
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?
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1
Two number cubes are rolled sequentially.What is the probability that the first numbercube shows a five and the other number cubeshows an even number?
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?
Required
1
There are five candies in a bag. Three arechewy, and two are chocolate. You draw acandy, do not replace it, and then draw another.What is the probability of choosing twochocolate candies?
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?
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1
The letters in the word AUGUST are placedin a bag. What is the probability of selecting aU?
The letters in the word AUGUST are placed
in a bag. What is the probability of selecting a
U?
Required
1
What is theprobability of not landing on a heart?
What is the
probability of not landing on a heart?
Required
1
Daniel is going to randomly select a sockfrom his drawer containing the socks shownbelow. If Daniel does this 60 times, what is areasonable prediction for the number of timeshe will get a striped sock?
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?
Required
1
Based on these results, if 189 pizzas were soldby the end of the day, how many pizzas couldbe expected to be cheese?
Based on these results, if 189 pizzas were sold
by the end of the day, how many pizzas could
be expected to be cheese?
Required
1
Michael has a set of five cards shownbelow. Michael will randomly select a card, notreplace it, and then select another card. Whatis the probability that he selects a primenumber 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)
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)
Required
1
Required
1
Required
1