5,385 Answered Questions for the topic probability

Probability Math Mathematics

04/28/21

Find Probability (No Headache Or Took Medicine). State your answer as a reduced fraction
Headache and took medicine- 11 peopleHeadache and did not take medicine- 13 peopleNo headache and took medicine- 54 peopleNo headache and did not take medicine- 22 people
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Probability Math Mathematics

04/28/21

In a 52 card deck, To the nearest three decimals, what is the probability of selecting, Jack or Queen Card?
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Probability Math Mathematics

04/28/21

In a 52 card deck, To the nearest three decimals, what is the probability of selecting a card that is A,J,Q,K or Black Card?
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Probability Math Mathematics

04/28/21

Probabilty question
30 students participated in a survey. 9 students stated they took French, 14 students stated they took Spanish, and 7 students stated they took both. To the nearest two decimals, what is the... more
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Probability Math Algebra 1 Prealgebra

04/28/21

please help with this Q; For a particular species of monkey...
4.For a particular species of monkey, the odds against a monkey being born with either grey furor black eyes are 2:3. The probability of a money exhibiting only one of these traits is equal andthe... more
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Probability Math Algebra 1 Algebra 2

04/28/21

probability question, please help with explanation

1.two green tiles, one red tile, and a blue tileare put into a paper bag.a) What is the probability that a green tile is drawn, followed by a blue tile, assuming the first tile is replaced before... more
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04/28/21

Please help with this probability Q
Ally is a contestant on a TV gameshow called Win a Million. Each timeshe answers a multiple-choice questioncorrectly, she wins money. If she picks awrong answer, she is eliminated. If Ally doesnot... more
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Probability Math Prealgebra Statistics

04/28/21

Please help with probability Q;
Suppose Rolly randomly picks a movie towatch, and then randomly picks a secondmovie without putting the first movie backon the shelf. Determine the probability ofeach of the following scenarios:a)... more
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04/28/21

probability question
1.two green tiles, one red tile, and a blue tileare put into a paper bag.a) What is the probability that a green tile is drawn, followed by a blue tile, assuming the first tile is replaced before... more
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Probability Math Algebra 1 Prealgebra

04/27/21

Dependent and Independent Probability Question, please help.
1.Brian has examinations coming up in calculus and biology. He estimates that his odds in favour of passing the calculus examination are 17:3 and his odds against passing the biology examination... more
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Probability Math Prealgebra Statistics

04/27/21

Probability Question; There are two tests for a particular antibody.
There are two tests for a particular antibody. Test A gives a correct result 95% of the time. Test B is accurate 89% of the time. If a patient is given both tests, find the probability thata) both... more
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Probability

04/27/21

A car rental agency has 18 vehicles available, of which 6 are sedans. What is the probability that a randomly selected vehicle will be a sedan?
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Probability Statistics

04/27/21

what will be the variance of the annual cost of maintaining and repairing a car?
A recent study indicates that the annual cost of maintaining and repairing a car in a town in Ontario averages 200 with a variance of 260. If a tax of 10% is introduced on all items associated with... more
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04/27/21

probability question help (Independent and dependent Events)
A bag contains 2 apples, 1 orange, and 2 peaches. Mark reaches in and choose a piece of fruit at random and then selects another without replacing it. What is the probability that he selects two... more
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Probability Precalculus

04/27/21

What is the probability you will pick 4 black cards? with replacement? Without replacement?
You have three picks from a deck of 52 cards. What is the probability you will pick 4 black cards? with replacement? Without replacement?
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04/26/21

probability question
A bag contains 2 apples, 1 orange, and 2 peaches. Mark reaches in and choose a piece of fruit at random and then selects another without replacing it. What is the probability that he selects two... more
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Probability Precalculus

04/26/21

What is the probability that the coin shows heads and the number cube shows 1,3 or 4?
A coin is tossed and a number cube is rolled. What is the probability that the coin shows heads and the number cube shows 1,3 or 4?
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Probability Precalculus

04/26/21

What is the probability that the first marble is blue and the second marble is red?
A bag contains 10 blue marbles and 7 red marbles. A marble is drawn from the bag and not put back before a second marble is drawn. What is the probability that the first marble is blue and the... more
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04/26/21

probability question help
A die is rolled and a card is taken from a deck. What is the probability that a 5 is rolled anda 5 is taken from the deck?
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04/26/21

Thinking Probability Question
1.Marie is playing a board game andcan win if she rolls a sum of either 6 or 8 ordoubles with a standard pair of dice. Whatare the odds against Marie winning on agiven throw?
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Probability Precalculus

04/26/21

What is the probability?
A bag contains 10 blue marbles and 7 red marbles. A marble is drawn from the bag and not put back before a second marble is drawn. What is the probability that the first marble is blue and the... more
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Probability Math Prealgebra Statistics

04/26/21

question: refer to the euchre deck of cards.
Refer to the euchre deck of cards. (24 cards) 4 aces, 4 kings, 4 queens, 4 jacks, 4 ten's, 4 nines.a) What is the probability of randomly drawingan ace or a king from a euchre deck of cards?correct... more
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Probability Precalculus

04/26/21

when rolling a number cube, What is the probability of rolling an odd number or a multiple of two
when rolling a number cube, What is the probability of rolling an odd number or a multiple of two
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04/26/21

Probability Word Problem - NON-ME & ME
For a particular species of cat, the odds against a kitten being born with either blue eyes or white spots are 3:1. If the probability of a kitten exhibiting only one of these traits is equal and... more
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04/26/21

Find the critical value of Students t for each hypothesis test.
Find the critical value of Students t for each hypothesis test.1. 10 percent level of significant, two-tailed test, n=212. 1 percent level of significant, right-tailed test, n=93. 5 percent level... more
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