437 Answered Questions for the topic Finite Math

Finite Math

02/04/21

#### Upstream and Downstream

A freight train and an AMTRAK train leave towns that are 450 miles apart and travel toward each other. They pass each other in 5 hours. The AMTRAK train travels 20 miles per hour faster that the... more

01/30/21

Let S = {d, e, j, q, s, y} be a sample space of an experiment and let F = {d, q, y} and G = {e, j, s} be events of this experiment. (Enter ∅ for the empty set.)Find the... more

01/30/21

#### Let S = {d, g, k, r, u, x} be a sample space of an experiment

Let S = {d, g, k, r, u, x} be a sample space of an experiment and let E = {d, g} and F = {d, r, x} be events of this experiment. (Enter ∅ for the empty set.)Find the... more

01/14/21

A state Motor Vehicle Department requires learners to pass a written test on the motor vehicle laws of the state. The exam consists of twenty true-or-false questions, of which eighteen must be... more
Finite Math Math Calculus Precalculus

01/13/21

#### The random variable X represents the total number of coins taken. Find Pr(X=3)

A jar has 1 quarter, 1 dime and 12 pennies. Coins are taken out of the jar one after the other without replacement, until a penny is picked, at which point no more coins are picked. The random... more
Finite Math Math Calculus Precalculus

01/13/21

#### Find n(A’∪B) Finite

Suppose that A and B are subsets of a universal set U. Suppose that:N(U)=50N(A)=10n(B)=38 n(A’ ∩ B’)= 15Find n(A’∪B)
Finite Math Math Calculus Precalculus

01/13/21

#### Find Probability of X=3

A bag had 1 red ball, 1 blue ball, and 12 green balls. Balls are taken out of the bag at random, one after the other and without replacement until a green ball is picked, at which point no more... more
Finite Math Math Calculus Precalculus

01/13/21

#### Conditional Probability

A piggy bank contains 4 Quarters, 3 dimes and 2 nickels. Two coins are taken out of the piggy bank, one after the other without replacement. Find the conditional probability that the first coin... more

01/07/21

#### In a survey of 250 employees of a company regarding their 401(K) investments,

In a survey of 250 employees of a company regarding their 401(K) investments, the following data were obtained.145 had investments in stock funds.94 had investments in bond funds.73 had investments... more
Finite Math Math

01/07/21

#### Let A, B, and C be subsets of a universal set U

Let A, B, and C be subsets of a universal set U and suppose n(U) = 200,n(A) = 23, n(B) = 25, n(C) = 29, n(A ∩ B) = 8, n(A ∩ C) = 9, n(B ∩ C) = 16,and n(A ∩ B ∩ C)... more
Finite Math Math College Algebra

01/07/21

#### Let U = {3, 4, 5, 6, 7, 8, 9, 10, 11, 12},

Let U = {3, 4, 5, 6, 7, 8, 9, 10, 11, 12}, A = {3, 5, 7, 9, 11}, B = {4, 6, 8, 10, 12}, and C = {3, 4, 6, 7, 10, 11}.List the elements of each set. (Enter your answers using roster notation. Enter... more

01/07/21

#### List the elements of each set.

Let U = {3, 4, 5, 6, 7, 8, 9, 10, 11, 12}, A = {3, 5, 7, 9, 11}, B = {4, 6, 8, 10, 12}, and C = {3, 4, 6, 7, 10, 11}.List the elements of each set. (Enter your answers using roster notation. Enter... more
Finite Math

01/06/21

#### Permutation and combination

A student committee has 8 members including Leah and Tran. The offices of President, Vice-President, Treasurer, and Secretary must be filled using members of the committee. If no person can hold... more
Finite Math Math College Algebra

01/06/21

#### If n(A) = 9, n(A ∪ B) = 12, and n(B) = 8, then what is n(A ∩ B)?

If n(B) = 16, n(A ∪ B) = 21, and n(A ∩ B) = 6, find n(A).If n(A) = 9, n(A ∪ B) = 12, and n(B) = 8, then what is n(A ∩ B)?
Finite Math Math College Algebra

01/06/21

#### Let A and B be subsets of a universal set U and suppose n(U) = 300, n(A) = 150, n(B) = 120, and n(A ∩ B) = 60. Compute:

Let A and B be subsets of a universal set U and suppose n(U) = 300, n(A) = 150, n(B) = 120, and n(A ∩ B) = 60. Compute:(a)     n(Ac ∩ B) (b)     n(Bc) (c)     n(Ac ∩ Bc)
Finite Math Math

01/05/21

#### Find the smallest possible set

Find the smallest possible set (i.e., the set with the least number of elements) that contains the given sets as subsets. (Enter your answer using roster notation. Enter ∅ for the empty set.){1,... more
Finite Math

12/24/20

#### For many years, a state used Three letters followed by two digit on its automobile license place

How many different license plates are possible with this arrangement

12/17/20

#### What is the probability that at least 1 odd number was recorded during the three drawings?

A box contains four numbered balls: 2, 6, 7. and 8. A ball is drawn at random from the box, its number is noted, and it is then returned to the box. This process is repeated two more times. What is... more

12/17/20

#### how many committees are possible?

A class consists of 4 seniors, 5 juniors, and 1 sophomore. 4 of these 10 students will be chosen to serve on a committee. If no more than 1 senior may serve on the committee, then how many... more

12/17/20

#### what is the probability that both red and blue marbles were removed from the bag?

There are 3 red and 4 blue marbles in a bag. Simultaneously at random, 3 marbles are removed from the bag. If at least 2 of the marbles removed from the bag are blue, then what is the probability... more

12/17/20

#### How many codes do not contain the letter X?

A code is formed by arranging 3 not necessarily distinct letters from the set {W, X, Y, Z}.  ZYW and ZZX are examples of possible codes. How many codes do not contain the letter X?
Finite Math Math Calculus Precalculus

12/17/20

#### what is Pr[X = 2]?

Let X be a random variable that takes on the values -1, 1, and 2 . If Pr[X = 1] = .7 and E[X] = .7, then what is Pr[X = 2]?
Finite Math Math Calculus Precalculus

12/17/20

#### A and B are events in a sample space S.

A and B are events in a sample space S.

12/17/20

#### Lal made a down payment of 10,000 toward the purchase of his new house.

Lal made a down payment of 10,000 toward the purchase of his new house. To pay off the rest of the house, lal secured a loan from her bank at 3.2% per year compounded monthly. Lal will have to pay... more

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