477 Answered Questions for the topic Finite Mathematics

Finite Mathematics

06/26/15

Please help me to explain this question. This is my first Finite Mathematics class and trying to get a feel for linear demand curve and supply curve.
Please explain why you would expect that the intersection of a linear demand curve and a linear supply curve would lie in the first quadrant.
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Finite Mathematics

06/24/15

Suppose a line L has an equation Ax + By + C = 0.
 What is the slope of L if B = 0 and A does not equal 0. 
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Finite Mathematics

06/23/15

Markov Chains
Box 1 contains 3 red marbles and Box 2 contains 3 blue marbles. A marble is drawn at random from each box and these two marbles are interchanged (each is put in the other box). Let the states of... more
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06/15/15

Bernoulli Principle
A certain drug was developed, tested, and found to be effective 80% of the time. Find the probability of successfully administering the drug to at least 10 out of 11 patients. (Round your answer to... more
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06/12/15

Probability, Random Variables
Four red cards and four green cards are well shuffled. Cards are drawn, without replacement, until the color of a card drawn matches the color of the first card drawn. Find the average number of... more
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Finite Mathematics Statistics

06/11/15

Probability
Four red cards and four green cards are well shuffled. Cards are drawn, without replacement, until the color of a card drawn matches the color of the first card drawn. Find the average number of... more
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Finite Mathematics Statistics

06/11/15

Random Variables
In a card game, a player randomly selects 2 cards in succession from a 52-card bridge deck. The player receives a score of 10 if the second card is the same suit as the first, a score of 5 if the... more
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Finite Mathematics Statistics

06/11/15

Random Variables
A number is selected at random from the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10. The random variable X is the remainder when the selected number is divided by 3. Find the probability distribution... more
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Finite Mathematics Statistics

06/11/15

Random Variables
In a card game, a player randomly selects 2 cards in succession from a 52-card bridge deck. The player receives a score of 10 if the second card is the same suit as the first, a score of 5 if the... more
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Finite Mathematics

06/11/15

a halloween candy jar has 8 snickers and 5 crunch bars. If three are chosen
Then, How many ways can it be at least one crunch bar?
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Finite Mathematics

05/27/15

If a single fair die is rolled, find the probability. An even number, given that the number rolled was 6
If a single fair die is rolled, find the probability. An even number, given that the number rolled was 6
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Finite Mathematics Finite Math

05/14/15

what is the slope of L if B does not equal 0
Suppose a line has an equation Ax + By + C =0.  
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Finite Mathematics

05/10/15

Chebychev's Inequality
A probability distribution has an EV (mean) of 42, and a standard deviation of 2. Use Chebychev's Inequality to estimate the probability that the outcome of an experiment lies between:   a) 38... more
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Finite Mathematics Math Statistics Probability

05/05/15

The test Linda took had 120 multiple choice questions and each question had 5 possible answers.
How many questions could she have expected to have gotten right if she had guessed all of them? What is the probability of getting at least 30 questions right by guessing all of them?
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Finite Mathematics Math Statistics Probability

05/05/15

The mean high temperature for a town in Saskatchewan is -15 degrees and the standard deviation is 6 degrees.
What is the probability that the temperature will get above zero? 
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Finite Mathematics Math Probability Median

05/05/15

Given the following frequency distribution, find the mean, median, mode and standard deviation. draw the histogram.
Score          100     95     90     82 Frequency     1        2       3       4
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Finite Mathematics

05/04/15

A bised coin with Pr(?)=0.6 is tossed 85 times
 A bised coin with Pr(θ)=0.6 is tossed 85 times. Compute the expected number of times head comes up 
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Finite Mathematics Math Probability Math Help

05/03/15

Compute Pr(-1.54<Z<1.33)
Suppose that Z is standard normal random variable. Compute Pr(−1.54<Z<1.33).(If needed, round answers to 3 decimal places)
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Finite Mathematics Math Probability Math Help

05/03/15

Compute Pr(Z<-1.54)
Suppose that Z is a standard normal random variable. Compute Pr(Z<−1.54).(If needed, round answers to 3 decimal places)
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Finite Mathematics

04/22/15

A fair, 6-sided die is rolled 2 times. Let X denote the value of the first outcome and Y denote the value of the second outcome.
What is Pr(X+Y≤4)?     Once again, I would really appreciate some explanation on how you got the answer. The more details the better! Thanks!
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Finite Mathematics

04/22/15

Finite: A fair coin is tossed 4 times with the outcomes (tails or heads) recorded each time. Define X to be the number of heads recorded. Find Pr(X=3).
I have no idea how to do this. An explanation on how you got to the answer would be really great!
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04/20/15

How many different values are possible for the random variable Y?
involving drawing calculators from a box of working and broken calculators. Assume that the box contains 14 calculators: 12 that work and 2 that do not work. A sample of 3 calculators is selected... more
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04/20/15

How many different values are possible for the random variable X
Assume that the machine yields the item selected 70 percent of the time, and returns nothing 30 percent of the time. Three individuals attempt to use the machine. Let X be defined as the number of... more
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04/20/15

How many different values are possible for the random variable X?
involving the selection of two students from a committee of students. Assume that the committee is made up of 2 males and 5 females. Two are selected at random, and a random variable X is defined... more
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04/20/15

What is the expected value of the coin selected (in cents)?
Assume that the drawer contains 12 coins: 3 quarters, 5 dimes, and 4 nickels. One coin is randomly selected.What is the expected value of the coin selected (in cents)?
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