5,395 Answered Questions for the topic probability

04/12/22

Choose the procedure for estimating the mean difference.
Suppose that a scientist seeks to compare the ability of a new hand sanitizer to eliminate Pseudomonas aeruginosa bacteria against the hand sanitizer currently in use. Assume that the mean number... more
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Probability Mathematics

04/10/22

LOTR Probability Question
In an adventure, Thranduil has five ruby swords, three diamond swords, and two elven swords. From his travel an orc suddenly appeared, he pulls out two swords at random. Find the probability that... more
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Probability Math Sat Math Act Math

04/10/22

Probability question: hitting the target
The probability of an archer to hit the target is 0.85. The archer keeps shooting until he hits the target, but not more than 5 times. What is the probability that he shot not less than 3 times?
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Probability Math Algebra 1 Algebra 2

04/10/22

Two dice are rolled. Determine the probability of the following. Rolling an even number or a number greater than 10.
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Probability Math

04/09/22

Mathematics Probability
Tony had 5 red socks, 3 blue socks, and 2 white socks in a drawer. He pulled out 2 socks at random from the drawer. What is the probability that one sock is blue, and the other is red?
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04/09/22

From a standard deck of cards, what is the probability of choosing .....
a red and then a club with replacement? a diamond, then a heart, then a black without replacement?
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Probability

04/09/22

Pax turn up only 95% of the time. Airline can fit 40 pax but sells 42 tickets. What is the probability that 42 show up?
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Probability Statistics

04/08/22

I need help with probability statistics!!
The lengths of births in a small rural village are normally distributed with a mean of 269 days and a standard deviation of 15 days.In what range would you expect to find the middle 98% of most... more
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Probability Math Act Math Maths

04/07/22

Probability Math- Seven horses are entered into a race.

Seven horses are entered into a race. If three horses are tied for first place, and there are no ties among the other four horses, in how many ways can the seven horses cross the finish line?I... more
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Probability

04/07/22

A card is drawn from an ordinary deck. Find these probabilities. 1 Of getting a jack 2 Of getting the 6 of clubs (i.e., a 6 and a club) 3 Of getting a 3 or a diamond 4 Of getting a 3 or a 6
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Probability

04/07/22

A card is drawn from an ordinary deck. Find these probabilities. 1 Of getting a jack 2 Of getting the 6 of clubs (i.e., a 6 and a club) 3 Of getting a 3 or a diamond 4 Of getting a 3 or a 6
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Probability

04/07/22

A card is drawn from an ordinary deck. Find these probabilities. 1 Of getting a jack 2 Of getting the 6 of clubs (i.e., a 6 and a club) 3 Of getting a 3 or a diamond 4 Of getting a 3 or a 6
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Probability

04/07/22

A card is drawn from an ordinary deck. Find these probabilities. 1 Of getting a jack 2 Of getting the 6 of clubs (i.e., a 6 and a club) 3 Of getting a 3 or a diamond 4 Of getting a 3 or a 6
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Probability

04/05/22

Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced before the second card is selected. Find the probability of selecting a nine and then selecting a ten
The probability of selecting a nine and then selecting a ten is? Round to three decimal places as needed.
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Probability Math

04/05/22

Probability of a poker hand
Five cards are drawn from a shuffled deck of 52 cards without replacement.What is the probability that the five cards will display a full house (three of a kind and two of a kind)?Explain your answer. more
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Probability

04/04/22

I need help with probability

The table shows the outcomes of rolling two number cubes at the same time and finding the product of the two numbers. If Abby rolls two number cubes three hundred times, about how many times would... more
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Probability

04/04/22

Find the probability for the experiment of drawing two marbles at random (without replacement) from a bag containing four green, two yellow, and two red marbles.
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Probability

04/02/22

Probability of winning
Supposed a certain game is fair and costs $3 if you lose and has a net payoff of $5 if you win. The only possible outcomes of the game are winning and losing.What is the probability of winning?
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Probability

04/02/22

Expected Value Question
A company estimates that 0.8% of their products will fail after the original warranty period but within 2 years of the purchase, with a replacement cost of $100.If they offer a 2 year extended... more
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Probability

04/02/22

Expected Value Question
A company estimates that 0.7% of their products will fail after the original warranty period but within 2 years of the purchase, with a replacement cost of $350.If they offer a 2 year extended... more
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Probability

04/02/22

Expected Value Questions
A company estimates that 0.6% of their products will fail after the original warranty period but within 2 years of the purchase, with a replacement cost of $450.If they offer a 2 year extended... more
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Probability Genetics

04/02/22

The math gene...
Imagine that fondness for mathematics has a genetic basis. Here we'll suppose that math fondness is recessive, but also highly beneficial. About 10% of the population are of math-genotype aa with... more
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Probability

04/01/22

What is the corresponding between z=0 and z= 1.74?
What is the corresponding between z=0 and z= 1.74?
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Probability Math Sets

04/01/22

Question on probability/sets

You have a basket containing 7 red balls, 5 green balls, and 2 orange balls. You pick 5 balls at random. What is the probability of getting at least one red ball?
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Probability Math

04/01/22

Question pertaining to probability/sets
Use the given information to find the indicated probability: P(A U B)= .7, P(B) = .6, P(A∩B) = .5 Find P(A).
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