484 Answered Questions for the topic Finite Mathematics

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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Finite Mathematics

09/14/15

In how many ways can a group of 5 boys and 5 girls be seated in a row of 10 seats?
In how many ways can a group of 5 boys and 5 girls be seated in a row of 10 seats?
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Finite Mathematics

09/14/15

In how many ways can a group of 3 boys and 3 girls be seated in a row of 6 seats if boys and girls must alternate in the row?
In how many ways can a group of 3 boys and 3 girls be seated in a row of 6 seats if boys and girls must alternate in the row?
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Finite Mathematics Probability College Math

09/14/15

Probability with a deck of cards:
You select 10 cards randomly from a deck of 52 cards.What is the probability that all of the cards selected are face cards (i.e. jacks, queens, or kings)?
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Finite Mathematics

09/13/15

coin selection
selecting three (3) coins, but assume that there are 5 dimes, 3 nickels, and 2 quarters. In how many possible ways can the selection be made so that the value of the coins is at least 25 cents?
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Finite Mathematics

09/13/15

How many license plates can be produced using 5 symbols on each plate where the first 2 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

09/09/15

Probability with a group of students
 the group of students who are selecting 2 of their group at random to give a report, but assume that there are 8 males and 3 females. For the following questions, enter your answers as fractions.... more
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Finite Mathematics Probability

09/09/15

Dealing with probability with a bag of coins:
Assume that you select 5 coins at random from 10 coins: 6 dimes and 4 quarters.What is the probability that all of the coins selected are dimes? Enter your answer as a fraction.
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Finite Mathematics Probability

09/09/15

Dealing with a weighted dice:
assume that 3, 5, 6, and 2 are equally likely, a 4 is twice as likely as a 2, and a 1 is twice as likely as a 4.(1) What is the value of w3? (2) What is the value of w4? (3) What is the value of w1? more
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