98 Answered Questions for the topic Finite

11/18/15

markov chains
If the animal is in the woods on one observation, then it is three times as likely to be in the woods as the meadows on the next observation. If the animal is in the meadows on one observation,... more
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11/09/15

committee of 3 people us to be formed using 2 girls and 5 boys. let X be the number of girls on the committee. what is var (x)
Finite question
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Finite

11/09/15

a fair coin is tossed 4 times with outcomes recorded. define X to be the number of heads recorded. find pr(x=3)
Finite question
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Finite

11/09/15

suppose that z is a standard normal random variable. what is pr(-1.36 <z <1.26)?
Standard deviation problem
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10/21/15

Finite math
One cage contains 4 white mice and 3 black ones. Another one contains 4 white mice and 2 black ones. A cage is chosen at random and three nice are selected. Find the expected number of white mice... more
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10/21/15

Finite help..!!! Please
A roulette wheel has 38 slots numbered 00, 0, 1, 2, ... 35, 36. 18 of the slots numbered 1 through 36 are red and 18 are black. The 00 and 0 slots are green. The ball is spun around the wheel until... more
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10/10/15

Probability please help :)
There are 4 red, 2 white, and 2 blue marbles In an urn. Two marbles are slected at random without replacement. What is the probability that neither is red, given that neither is white?
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Finite

09/16/15

Your urn contains 8 red balls, and 9 blue balls, and you draw 4 balls. In how many ways can the selection be made so that at least one of each color is drawn?
Your urn contains 8 red balls, and 9 blue balls, and you draw 4 balls.In how many ways can the selection be made so that at least one of each color is drawn?
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09/14/15

Probability help please:
Assume that there are 8 different issues of Newsweek, 7 different issues of Popular Science, and 3 different issues of Time, including the December 1st issue, on the rack. You choose 4 of them at... more
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Finite

09/06/15

probability
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.   What probability... more
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Finite

09/03/15

In how many ways can the fruit be laid out?
An apple, an orange, a strawberry, a nectarine and a pear are laid out in a straight line. The orange is not at either end and is somewhere to the left of the pear.
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Finite Coins

09/03/15

coin flips
A coin is flipped once. If the result is a heads, the coin is flipped 4 more times, and the result (heads or tails) of each successive flip is noted. If the result is a tails, the coin is flipped 2... more
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Finite Codes

09/03/15

codes and outcomes finite
Assume that product codes are formed from the letters S, Y, R, and V, and consist of 5 not necessarily distinct letters arranged one after the other. For example, SSSYS is a product code.   How... more
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09/02/15

solve for y
x-2y=3 3x-6y=9
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05/05/15

The test Linda took had 120 questions.
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 thirty questions right by guessing all of them?
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Finite

05/03/15

Finite math
linda took a multiple choice test. Each question had five possible answers. She guessed on four of the questions. Make up a probability distribution for the number of correct guessEd. What is the... more
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Finite Probability

04/20/15

Suppose that an unfair coin with probability of heads being 0.4 is tossed 100 times with outcomes recorded each time.
What is the probability of having more than 40 heads but at most 43 heads? Approximate using a normal random variable. 
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04/05/15

Compute the odds in favor of obtaining a number divisible by 2 or 5 in a single roll of a dice.
Compute the odds in favor of obtaining a number divisible by 2 or 5 in a single roll of a dice.   The odds in favor are ___ to ____ (Type whole numbers)
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04/04/15

Questions A and B
A. What are the odds for rolling a sum of 9 in a single roll of two fair dice? (Simplify answer in a fraction)   B. If you bet $1 that a sum of 9 will turn up, what should the house pay(plus... more
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04/04/15

What is the probability that the card is either an ace or heart?
A single card is drawn from a standard 52-card deck. Calculate the probability and odds for the following event. An ace or heart is drawn.   What is the probability that the card is either an... more
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04/04/15

You are dealt one card from a 52-card deck. Calculate the probability of and odds for being dealt a six or a spade.
You are dealt one card from a 52-card deck. Calculate the probability of and odds for being dealt a six or a spade.   (Give answer in an integer or simplified fraction)
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04/04/15

The probability the shipment will be rejected is...?
A shipment of 60 inexpensive digital watches, including 10 that are defective, is sent to a department store. The receiving department selects 10 at random for testing and rejects the whole... more
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03/29/15

If you are dealt 5 cards from a shuffled deck of 52 cards, find the probability of getting three queens and two kings.
If you are dealt 5 cards from a shuffled deck of 52 cards, find the probability of getting three queens and two kings.   The probability is... ?
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03/29/15

An experiment consists of tossing 7 fair (not weighted) coins, expect one of the 7 coins has a head on both sides.
An experiment consists of tossing 7 fair (not weighted) coins, expect one of the 7 coins has a head on both sides. Compute the probability of obtaining exactly 2 heads.
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03/29/15

An experiment consists of dealing 6 cards from a standard 52-card deck. What is the probability of being dealt 6 hearts?
An experiment consists of dealing 6 cards from a standard 52-card deck. What is the probability of being dealt 6 hearts?
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