494 Answered Questions for the topic Finite Mathematics

Finite Mathematics

11/08/16

Nine percent of all candy bars sols in the United States are snickers bars. What are the odds in favor of randomly selected candy bar is a snickers bar
Nine percent of all candy bars sold in the United States are snickers bars. What are the odds in favor of randomly selected candy bar is a snickers bar
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Finite Mathematics Math Statistics Math Help

10/24/16

Top 10% of the class received an A on the last test...
I don't think I've worked this problem correctly. Please help, thanks!!   A teacher says that the top 10% of the class received an A on the last test. The scores were normally distributed with... more
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Finite Mathematics

10/24/16

Find the probability that it will last 15hr or more.
The probability that a battery will last 10 hr or more is 0.7, and the probability that it will last 15 hr or more is 0.11. Given that a battery has lasted 10 hr, find the probability that it will... more
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Finite Mathematics

10/22/16

Determine whether the events A and B are independent.
P(Ac) = 0.2, P(Bc) = 0.4, P(A ∩ B) = 0.48
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10/12/16

A fair coin is flipped 7 times. What is the probability of obtaining at least 1 tail?
Give answer as a decimal number with 3 correct decimal places. Show work!
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Finite Mathematics Math Probability Math Help

10/11/16

5 cards are selected from a fair deck. What is the Probability that they contain at least 4 reds?
5 cards are selected from a fair deck. What is the Probability that they contain at least 4 reds?   Please & Thanks!!
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Finite Mathematics Probability

10/10/16

Probability
An ectopic pregnancy is one where gestation occurs outside the uterus. The condition is twice as likely for a female who smokes than for one who is a nonsmoker. If 35% of Adult females smoke, what... more
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Finite Mathematics Math Probability Math Help

10/09/16

A fair coin is flipped 7 times. What is the probability of obtaining at least 1 tail?
A fair coin is flipped 7 times. What is the probability of obtaining at least 1 tail?  
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Finite Mathematics Math Probability Math Help

10/09/16

A fair die is thrown 10 times. What is the probability of rolling a 1 on exactly 2 of the 10 throws?
A fair die is thrown 10 times. What is the probability of rolling a 1 on exactly 2 of the 10 throws?   Please help!!
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Finite Mathematics

10/09/16

A grocery has received two equal sized truckloads of bananas.
A grocery has received two equal sized truckloads of bananas. Truckload A has 6% rotten bananas and truckload B has 6% rotten bananas. The two truckloads are mixed. What is the probability that a... more
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Finite Mathematics

10/09/16

An unfair coin with Pr[H] = 2/3 is flipped.
An unfair coin with Pr[H] = 2/3 is flipped. If the flip results in a head, then a marble is selected from an urn containing 9 red, 7 white, and 5 blue marbles. If the flip results in a tail then a... more
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Finite Mathematics

10/06/16

Question in Description
The Centers for Disease Control (CDC) estimates that 0.8% of Americans have AIDS. The HIV-1 tests correctly diagnose the presence of HIV in 99% of the persons who have it and correctly diagnose its... more
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Finite Mathematics Probability

10/06/16

A person holds a two-tailed coin in one hand and a fair coin in the other. A hand is chosen at random and the coin is flipped.
A person holds a two-tailed coin in one hand and a fair coin in the other. A hand is chosen at random and the coin is flipped. If tails shows, what is the probability that it is the two tailed coin?
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Finite Mathematics Math Help For College

10/05/16

6% compounded quarterly
please help me with this finite math homework 
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Finite Mathematics

10/04/16

An unfair coin with Pr[H]=0.22 is flipped. If the flip results in heads, a student is selected at random from a class of 12 boys and 10 girls. Otherwise, a stud
We practiced this problem once in class and didn't understand it. Could anyone explain this tree for me?
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Finite Mathematics

10/04/16

The probability of a snowstorm on Thanksgiving is 0.26 and the probability of a snowstorm on Christmas is 0.76 . Assuming that these two events are ind
I was able to find the answer to the first question asked, but can't seem to find the answer to the last two. Could anyone help me on this on?
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Finite Mathematics

10/04/16

A pair of fair dice is rolled and the sum of the numbers is noted. Determine the probability that one die resulted in a 5 given that the sum is 8.
Could anyone help me solve this? I have been stuck on it for a while and don't know what I'm doing wrong.
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Finite Mathematics

09/28/16

Given Pr[AUB]=0.86, Pr[A]=0.44, and Pr[B]=0.45, find Pr[AnB],
Hello my professor didn't explain problem very well in class, could anyone help me out with it?
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Finite Mathematics

09/28/16

A pair of dice is rolled and the sum of the numbers is noted. What is the probability that the sum of 8 does not occur?
Could anyone help me with this problem? I can't seem to figure it out. 
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Finite Mathematics

09/28/16

Given Pr[A]=0.7, Pr[B]=0.43, and Pr[AnB]=0.21, find Pr[A?B],
My professor didn't cover these topics very well, could someone help me with some practice problem?
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Finite Mathematics

09/28/16

If A and B are disjoint with Pr[A]=0.09 and Pr[B]=0.2 , find Pr[AUB]
Professor didn't explain this type of problem in class, could anyone help?
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Finite Mathematics Finite

09/27/16

Please help with finite word problem!
There are three types of coffee, Kona, Latin Dark Toast and Moravia. Equal parts of these three coffees are put into the house blend which sells for $7 per pound. A 30 lb bag is made up of 1.5 lbs... more
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Finite Mathematics

09/19/16

the exponential model f(t)=a*b^t.
suppose a baseball team's profits are growing according to the exponential model f(t)=a*b^t. Suppose a baseball earns $2 million in 1992 and $18 million in 1994. Find the values of a and b which... more
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Finite Mathematics

09/17/16

Casey wear a coat what tie he should wear to work. he has45 ?ties, 25 go well with sportcoat. If Casey selects one tie probablity of the tie going well
Casey is wearing a coat and is trying to decide what tie he should wear to work. In his? closet, he has 45 ?ties,25 of which he feels go well with the sportcoat. selects one tie at? random,... more
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Finite Mathematics

09/14/16

Assume that there are 5 white mice and 7 black mice to choose from, and you randomly pick 4 mice. What is the probability that 2 are white and 2 are black
Pls helpAssume that there are 5 white mice and 7 black mice to choose from, and you randomly pick 4 mice.What is the probability that 2 are white and 2 are black
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