494 Answered Questions for the topic Finite Mathematics

Finite Mathematics

10/15/15

Probability with weights
Assume that the numbers 1 through 4 are equally likely, as are the numbers 5 and 6, yet rolling a 1 is four times as likely as rolling a 5. (1) If we have probability weights w1 through w6, one for... more
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10/12/15

Explanation of Density Function using example:
involving the expected value of a given probability density function. Use the density function shown below instead of the one in your text.Value of           X Probability1                        ... more
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10/12/15

Probability help/ Homework help
assume that the probability density function for the random variable X is the one given in the table below:Value of X         Probability   1                          0.1   5                      ... more
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Finite Mathematics Probability Event

10/10/15

Given Pr[E]=0.44 and Pr(E U F)=0.78, determine Pr[F]
a.IF E & F are disjoint events.   Have determined that this one is .34     b. If E & F are independent events.
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Finite Mathematics

10/10/15

What is the probability of obtaining exactly 4 HEADS? Give your answer as a decimal number, with 4 decimal places.
An unfair coin with 0.66 probability of TAILS is flipped 6 times. What is the probability of obtaining exactly 4 HEADS? Give your answer as a decimal number, with 4 decimal places.
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Finite Mathematics

10/10/15

A fair die
A fair die is thrown 10 times. What is the probability of getting point 1 on at most 9 of the 10 throws?
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Finite Mathematics Probability

10/10/15

Probability
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 6 red, 9 white, and 5 blue marbles. If the flip results in a tail then a... more
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Finite Mathematics Statistics Probability Finite

10/10/15

Probability please help :)
There are 4 red, 2 white, and 2 blue marbles In an urn. Two marbles are slected at random without replacement. What is the probability that neither is red, given that neither is white?
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Finite Mathematics

10/09/15

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 5 red, 2 white, and 6 blue marbles. If the flip results in a tail then a... more
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Finite Mathematics

10/06/15

Finite Question
Find the probability that in a group of 4 people, at least two were born in the same month. You may assume that each month is equally likely. Give the answer to 3 decimal places.
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Finite Mathematics

10/06/15

Finite Probability
In a recent taste test, a person was eight times as likely to prefer the taste of diet cola A to diet cola B. One of these people are selected. What probability should we assign the event "the... more
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10/05/15

Probability help!!
A biologist finds that 20% of fruit flies have short wings and 26% have eye defects. Assuming these two events are independent what is the probability that a randomly selected fruit fly has neither... more
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Finite Mathematics Probability

09/28/15

Probability:
involving the sum of the numbers showing on two fair dice.(1) What is the probability that exactly one die shows a 2 given that the sum of the numbers is 8? (2) What is the probability that the... more
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Finite Mathematics Probability

09/28/15

Probability homework help
about independent events E and F in a sample space S, but assume that Pr[E]=0.45 and Pr[F]=0.3. Compute the following conditional probabilities: (1) Pr[E′|F] (2) Pr[E|F′]
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Finite Mathematics

09/24/15

in how many ways can a hand of 8 clubs be chosen from an ordinary deck
a hand of 8 clubs can be chosen in ______ways
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Finite Mathematics

09/21/15

Finite help
In how many ways can 7 different contracts be distributed among 10 different firms if no two contracts are awarded to the same firm?
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Finite Mathematics

09/18/15

What number of audits and tax returns will yield the maximum revenue?
An accounting firm has 1320 hours of staff time and 220 hours of reviewing time available each week. The firm charges $120 for an audit and $30 for a tax return. Each audit requires 90 hours of... more
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Finite Mathematics

09/14/15

list the outcomes and corresponding values of X
ball is drawn from an urn that contains 4 red balls numbered 1 - 4, and 5 white balls numbered 2-6. the random variable X is defined to be 5 if the ball is a red 1 or 3, 10 if the ball is a red 2... more
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Finite Mathematics

09/14/15

bernoulli trial
bernouilli trial with probability of success p=.33 is performed 7 times. find the probability of getting at most 5 successes. 
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Finite Mathematics

09/14/15

How many three-digit numbers can be formed using elements from the set ?{1,2,3,4,5,6}? if no element may be used more than once in a number and the number must
How many three-digit numbers can be formed using elements from the set ?{1,2,3,4,5,6}? if no element may be used more than once in a number and the number must be odd?
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Finite Mathematics

09/14/15

How many three-digit numbers can be formed using elements from the set ?{1,2,3,4,5,6}? if no element may be used more than once in a number and the number must
How many three-digit numbers can be formed using elements from the set ?{1,2,3,4,5,6}? if no element may be used more than once in a number and the number must be even?
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Finite Mathematics

09/14/15

How many license plates can be produced using five symbols on each plate where the first two symbols are letters of the alphabet and the following three symbols
How many license plates can be produced using five symbols on each plate where the first two symbols are letters of the alphabet and the following three symbols are numbers selected from the set... more
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Finite Mathematics Probability Finite College Math

09/14/15

Probability help please:
Assume that there are 8 different issues of Newsweek, 7 different issues of Popular Science, and 3 different issues of Time, including the December 1st issue, on the rack. You choose 4 of them at... more
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Finite Mathematics Probability Finite College Math

09/14/15

Probability help:
Assume that there are 5 different issues of Popular Science, 6 different issues of Sports Illustrated, and 3 different issues of Newsweek, including the December 1st issue, on the rack. You choose... more
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Finite Mathematics Probability College Math

09/14/15

Probability:
involving the assignment of tasks to student union board members. Assume that there are 15 board members: 10 females, and 5 males including Tom. There are 2 tasks to be assigned randomly, including... more
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