484 Answered Questions for the topic Finite Mathematics
03/12/15
How many different choices does the student have?
An online college offers 5 introductory courses in humanities, 3 introductory courses in in sciences, 4 introductory courses in mathematics, and 4 in English. Astudent has to select one course from...
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03/12/15
How many students ar e taking neither of these two courses, i.e. neither statistics nor economics?
A small college has 987 students. 54 are enrolled in statistics, 45 are enrolled in economics, and 15 are enrolled in both statistics and economics. How many students are taking neither of these...
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Finite Mathematics
03/12/15
an unfair coin with P(H)=.25 is flipped 100 times. A random variable X= number of heads that occur Find the expected value and standard deviation
please show as many steps as possible thank you
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Finite Mathematics
03/10/15
Finite Math
Suppose that a 4-digit pin number is to be formed with the digits in {0,1,2,3,4,5,6,7,8,9}. What is the probability that the pin number contains at least 3 odd digits?
Thanks for the help!
Finite Mathematics
03/10/15
Finite Math Help!
A pharmaceutical company has two drug trials coming up. For the first trial, they project a 60% success rate. For the second trial, however, they project a 45% success rate. Based on these...
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Finite Mathematics
03/10/15
Three fair six sided dice are rolled. What is the probability that the sum of the outcome is 6? *Round your answer to the third decimal place.
Finite Math.. If you could also explain how you got the answer that would be awesome!
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03/07/15
How many of these are less than 5000?
In this version, you are to form a 4-digit number from the digits 1, 2, 3, 4, 7, 8, and 9, using each at most once.
How many of these are less than 5000?
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03/07/15
What is the value of w2?
For this problem, assume that 2, 6, 5, and 4 are equally likely, a 1 is three times as likely as a 4, and a 3 is four times as likely as a 1. (1) What is the value of w2? (2) What is the value of...
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03/07/15
How many ways can you pick the cars so not all are the same size?
For this problem, assume that you are to pick 4 cars from the motor pool, which contains 7 subcompact cars, 6 compact cars, and 4 midsize cars. How many ways can you pick the cars so not all are...
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03/05/15
1) What is the value of w2? (2) What is the value of w1? (3) What is the value of w3?
For this problem, assume that 2, 6, 5, and 4 are equally likely, a 1 is three times as likely as a 4, and a 3 is four times as likely as a 1.(1) What is the value of w2? (2) What is the value of...
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03/05/15
What is the probability they sum to 9, 3, or 6?
involving the sum of two die rolls.(1) What is the probability they sum to 9, 3, or 6? (2) What is the probability they sum to at least 7?
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03/05/15
What is the probability that at least 2 of the dinners selected are pasta dinners?
Assume that there are 15 frozen dinners: 6 pasta, 5 chicken, and 4 seafood dinners. The student selects 5 of them.What is the probability that at least 2 of the dinners selected are pasta dinners?
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03/05/15
In how many ways can the assignments be made if John writes the introduction?
Assume that 12 students, including John, are working on the project report, which contains an introduction, 4 chapters, and a conclusion for a total of 6 sections.(1) In how many ways can the...
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03/04/15
Finite Homework, need help: permutations, combinations, probability.
1. For this problem, assume the cooler contains 32 cans, 22 of which are regular, and the rest of which are diet.
What is the probability of selecting 5 cans from the cooler so that at least 4 are...
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Finite Mathematics
03/04/15
How many subsets of S have at most 2 elements?
Assume that the set S has 11 elements.How many subsets of S have at most 2 elements?
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03/03/15
How many different casts are there?
Assume that there are 6 unfilled roles: 4 male and 2 female. There are 8 men and 4 women, including Jennifer, auditioning for a part in the play. (1) How many different casts are there? (2) How...
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03/03/15
How many outcomes does this experiment have?
For this problem, assume the balls in the box are numbered 1 through 7, and that an experiment consists of randomly selecting 2 balls one after another without replacement. (1) How many outcomes...
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03/03/15
How many different answer sheets can be submitted?
For this problem, assume the test had 8 true-false questions and 8 multiple-choice questions, and that each multiple-choice question had 3 choices.
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03/03/15
What is the probability that you choose the December 1st issue of Newsweek?
Assume that there are 8 different issues of Sports Illustrated, 7 different issues of Time, and 4 different issues of Newsweek, including the December 1st issue, on the rack. You choose 4 of them...
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03/02/15
Finite Homework: Probability and statistics.
1. Assume that there are 19 frozen dinners: 10 pasta, 6 chicken, and 3 seafood dinners. The student selects 5 of them.
What is the probability that at least 2 of the dinners selected are pasta...
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03/02/15
(1) What is the probability that exactly 1 is an issue issue of Newsweek?
Assume that there are 6 different issues of Newsweek, 7 different issues of Sports Illustrated, and 3 different issues of Time, including the December 1st issue, on the rack. You choose 4 of them...
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03/02/15
What is the probability that both heads and tails occur?
involving flipping a fair coin. Assume that the coin is flipped 3 times.What is the probability that both heads and tails occur?
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03/01/15
What is the probability that the coach selects at least 3 passing plays and at least 3 running plays?
Assume that the playbook contains 9 passing plays and 16 running plays. The coach randomly selects 9 plays from the playbook.
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03/01/15
Find the probability that Tom is given a task.
Assume that there are 11 board members: 9 females, and 2 males including Tom. There are 5 tasks to be assigned randomly, including that of advertising meetings to the public.
(1) Find the...
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03/01/15
What is the probability that at least 2 of the dinners selected are pasta dinners?
Assume that there are 19 frozen dinners: 10 pasta, 6 chicken, and 3 seafood dinners. The student selects 5 of them.
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