435 Answered Questions for the topic Finite Math

Finite Math

10/06/20

Finite math, Probability

An unfair coin with Pr[H] = 0.65 is flipped. If the flip results in a head, one student is selected at random from a class of 4 girls and 6 boys. If the flip results in a tail, one student is... more
Finite Math

10/06/20

Finite Math, Probability

There are 90 students in a class of whom 63 are taking Math and 58 are taking English, 45 of whom are taking both classes. Find the probability that a student is taking Math, given they are taking... more
Finite Math

10/06/20

Finite Math, Probabilities

It is believed that 10% of the population has diabetes. A medical firm has a test to detect diabetes. The test shows a positive result (the person has diabetes) in 98% of the cases, however, it... more
Finite Math

10/02/20

Applying linear programming and solving the given equation

A company manufactures two products, A and B, on two machines, I and II. It has been determined that the company will realize a profit of $5/unit of product A and$8/unit of product B. To... more
Finite Math

09/22/20

Given that the augmented matrix in row-reduced form is equivalent to the augmented matrix of a system of linear equations, do the following.

Given that the augmented matrix in row-reduced form is equivalent to the augmented matrix of a system of linear equations, do the following. (Use x1, x2, x3, and x4 as your variables, each... more
Finite Math

09/16/20

Assume that there are 6 different issues of Time magazine, 7 different issues of Popular Science, and 3 different issues of Sports Illustrated, including the December 1st issue, on a rack.

You choose 4 of them at random.(1.)What is the probability that you choose 3 issues of Time and 1 issue of Popular Science? (2) What is the probability that you choose at least 1 of the Popular... more
Finite Math

09/16/20

Assume that there are 7 different issues of Sports Illustrated magazine, 6 different issues of Time, and 2 different issues of Newsweek, including the December 1st issue, on a rack

You choose 4 of them at random.(1) What is the probability that exactly 3 are issues issue of Sports Illustrated? (2) What is the probability that you choose the December 1st issue of Newsweek?
Finite Math

09/14/20

You have 4 diff. types of vegetables and 7 different types of fruit. A vegetable salad consists of a mixture of any 3 types of vegetables, and a fruit salad consists of a mixture of 4 kinds of fruit.

(1) In how many different ways can you prepare a vegetable salad and a fruit salad? (2) In how many different ways can you prepare a vegetable salad or a fruit salad but not both? ﻿(3) How many... more
Finite Math

09/14/20

Assume that the committee consists of 10 Republicans and 4 Democrats. A subcommittee consisting of 6 people is to be selected.

(1) How many such subcommittees are possible if each subcommittee must contain exactly 4 Republicans and 2 Democrats? (1) How many such subcommittees are possible if each subcommittee must contain... more
Finite Math

09/14/20

Assume that there are 9 girls and 10 boys in the neighborhood club, and a team of 5 is to be selected.

(1) How many different teams can be selected? (2) How many different teams can be selected if each team must contain exactly 2 girls and 3 boys? (3) How many different teams can be selected if each... more
Finite Math

09/14/20

Assume that you have a total of 16 people on the board: 4 out-of-state seniors, 5 in-state seniors, 2 out-of-state non-seniors, and 5 in-state non-seniors.

University rules require that at least one in-state student and at least one senior hold one of the three offices. Note that if individuals change offices, then a different selection exists.In how... more
Finite Math Math Statistics Algebra

09/11/20

this is the question:Of the cars sold at Murray’s Motors during the month of July, 90 had heated seats 100 had GPS 75 had satellite radio 5 had all three of these extras 20 had none of these... more
Finite Math

09/11/20

Solve using Gauss Jordan elimination

3) −x − 5y + z = 17 −5x − 5y + 5z = 5 2x + 5y − 3z = −10
Finite Math

09/10/20

solving system of equation by matrix method

5) 4r − 4s + 4t = −4 6) x − 6y + 4z = −12 4r + s − 2t = 5 x + y − 4z = 12 −3r − 3s − 4t = −16 2x + 2y + 5z = −153) −x − 5y + z = 17 4) 4x + 4y + z = 24 −5x − 5y + 5z =... more

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