606 Answered Questions for the topic Finite Math

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?
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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]?
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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. 
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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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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
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Finite Math Math Calculus Trigonometry

12/15/20

FINITE MATH HELP
A test for a genetic abnormality was developed recently. When the test is administered to a person who actually possesses the abnormality, the test will correctly identify the abnormality with... more
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Finite Math Math Calculus Trigonometry

12/15/20

finite help math
A fair coin is flipped 4 times and the result of Heads or Tails is recorded following each flip. Find the conditional probability that both Heads and Tails occurred during the 4 flips given at... more
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Finite Math Business Finance

12/14/20

Jacob deposited a total of $2000 with two different savings institutions.

Jacob deposited a total of $2000 with two different savings institutions. One pays interest at a rate of 4% per year, whereas the other pays interest at a rate of 10% per year. If Jacob earned a... more
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Finite Math Statistics Probability

12/14/20

What do you think the probability vector is after 20 transitions of P?
Consider the following Markov chain 0 1/2 1/2P=3/10 7/10 0 1/2 0 1/2Probability Vector: W [ 3/11, 5/11, 3/11]What do you think the probability vector... more
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Finite Math

11/30/20

An experiment consists of tossing 5 fair (not weighted) coins, except one of the coins has heads on both sides. Compute the probability of obtaining exactly 4 heads.
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11/25/20

Let U be a universal set with disjoint subsets A & B. n(U)=55, n(A)=25, n(B)=10. Find n(A' u B)
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Finite Math

11/22/20

How do I solve this question? Finite Math Chapter 10
A store sells two types of shirts, T-shirts (T) andlong-sleeves (L). The store owner pays $8 and $14for each type of shirt, respectively. One T-shirt saleyields a profit of $2, while a long sleeve... more
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11/19/20

determine how much Larry should deposit each month into his account so that both men will have the same amount of money in their accounts at age 65
Since he was 23 years old, Ben has been depositing $200 at the end of each month into a tax-free retirement account earning interest at the rate of 3.5%/year compounded monthly. Larry, who is the... more
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11/19/20

What will be the size of each installment?
Yumi's grandparents presented her with a gift of $21,000 when she was 9 years old to be used for her college education. Over the next 8 years, until she turned 17, Yumi's parents had invested her... more
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11/19/20

Find the periodic payment R required to accumulate a sum of S dollars over t years with interest earned at the rate of r%/year compounded
Find the periodic payment R required to accumulate a sum of  S dollars over tyears with interest earned at the rate of r%/year compounded m times a year. (Round your answer to the nearest... more
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Finite Math Math Finance Mathematics

11/16/20

Find the amount (future value) of the ordinary annuity. (Round your answer to the nearest cent.) $900/semiannual period for 15 years at 4%/year compounded semiannually
1) Find the amount (future value) of the ordinary annuity. (Round your answer to the nearest cent.)$900/semiannual period for 15 years at 4%/year compounded semiannually2) Find the amount (future... more
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Finite Math Math Business finance

11/15/20

Suppose that Ramos contributes $4000/year into a traditional IRA earning interest at the rate of 5%/year compounded annually, every year after age 35 until his retirement at age 65.
Suppose that Ramos contributes $4000/year into a traditional IRA earning interest at the rate of 5%/year compounded annually, every year after age 35 until his retirement at age 65. At the same... more
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Finite Math Math Business

11/15/20

The Johnsons have accumulated a nest egg of $40,000 that they intend to use as a down payment toward the purchase of a new house.
The Johnsons have accumulated a nest egg of $40,000 that they intend to use as a down payment toward the purchase of a new house. Because their present gross income has placed them in a relatively... more
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Finite Math Math Geometry Algebra

11/10/20

Four and a half years ago, Chris invested $10,000 in a retirement fund that grew at the rate of 5.82%/year compounded quarterly. What is his account worth today?

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Finite Math

11/10/20

How many days will it take for a sum of $1100 to earn $8 interest if it is deposited in a bank paying simple interest at the rate of 4%/year?

How many days will it take for a sum of $1100 to earn $8 interest if it is deposited in a bank paying simple interest at the rate of 4%/year? (Use a 365-day year. Round your answer up to the... more
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Finite Math Math

11/07/20

FINITE MATH HELP
(a)    Ac ∩ (B ∩ C c) Let U = {7, 8, 9, 10, 11, 12, 13, 14, 15, 16}, A = {7, 9, 11, 13, 15}, B = {8, 10, 12, 14, 16}, and C = {7, 8, 10, 11, 14, 15}. List the elements of each set. (Enter... more
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Finite Math

11/03/20

Linear programming problems
A financier plans to invest up to $500,000 in two projects. Project A yields a return of 12% on the investment of x dollars, whereas Project B yields a return of 16% on the investment of y dollars.... more
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Finite Math

10/31/20

Solve the linear programming problem by the method of corners.

Maximize: P=6x+8ySubject to: x+3y>609x+5y<320x>10y>0
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Finite Math

10/11/20

Probability that the resulting 3 digit number is less than 500
Rework problem 12 from section 2.4 of your text, involving the construction of a number from a set of digits. Assume that 3 digits are selected at random from the set  and are arranged in random... more
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Finite Math Math

10/11/20

Use De​ Morgan's laws to simplify the given expression. (S'∪T)'
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