5,385 Answered Questions for the topic probability

Probability

05/20/21

What is the probability of first drawing a black card, then a three, and then a red card? Do not round your intermediate computations. Round your final answer to four decimal places.
In a standard deck of 52, suppose a card is drawn at random from a standard deck. The card is then shuffled back into the deck. Then for a second time, a card is drawn at random from the deck. The... more
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Probability Math Algebra 1 Algebra 2

05/20/21

Urgent Help involving Odds!
Could someone explain what the odds against and the odds in favor mean? I'm still a little confused, as well as when it is stated for example, the odds in favor of winning an election are 2 to 5 or... more
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Probability Math Statistics

05/20/21

A certain regression line equation has the slope equal to....
A certain regression line equation has the slope equal to 795.72 and an intercept that is equal to 567.32. What will be the predicted score for the dependent variable if the independent variable is... more
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Probability Statistics

05/20/21

Giving a test to a group of students, the grades and gender are summarized below
A B C TotalMale 4 11 15 30 16 10 18 44 20 21 33 74If one student is chosen at random,Find the probability that the student was female:   Find the... more
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Probability Math Statistics

05/20/21

normal approximation with continuity correction
n =30 and p=.6, find P (x≤ 15) (use normal approximation with continuity correction)
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Probability

05/20/21

The average number of kilos of meat climbed up to 300 pesos with a standard deviation of 50 pesos. Assume that the variable is normally distributed

1.what is the probability that a public market selcted randomly will set their price ti more than 28opesos;(useP(×<325).2.Find the probability that a public market selected randomly will set... more
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Probability Math Data Distribution

05/19/21

Binomial Distribution Question?
Studies show that 15% of people do not signal when changing lanes. Bob stands at a stop sign and checks the first 20 cars to see if they signal or not. What if the probability that no more than 3... more
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Probability Math Data

05/19/21

Is selecting the winning ticket in a lottery a binomial or hypergeometric distribution?
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Probability Math Mathematics

05/19/21

There's a 38% chance of losing P400,000, a 30% chance of making a profit of P550,000, and 32% chance of getting a break even. Based on these information, should you invest money in the restaurant?
E(x) = Σx•p(x) = - 400000(0.38) + 550 000(0.30) + 0(0.32)
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Probability Math Algebra 1 Algebra 2

05/19/21

Really need help with this question!
1.a company manufactures batteries in batches of 18 and there is a3 percent defect ratewhy is this a binomial distribution please explain!
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Probability Math Prealgebra Statistics

05/18/21

Math Question Help
What are some different examples/scenarios of uniform distributions? Please explain.
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Probability Math Statistics

05/18/21

Intro to probability and statistics.(if you solve you a genius)
Question 2: We have a collection of steel circles. The radius of each circle is a realization of a random variable R uniformly distributed in [1, 5]. a) Determine the expected value of the volume... more
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Probability Statistics

05/18/21

The mean NAT scores of Grade 10 students is 65. Sixty (60) students were chosen and found that the standard deviation of their score is 5. What is the probability that their mean is between 64 and 67.
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Probability Math Data Distributions

05/18/21

Which of these random variables has a hypergeometric distribution?
a) the number of 0s produced by a random-number generatorb) the number of defective products in a random sample of 20 taken from a production line that has a 3% defect ratec) the number of attempts... more
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05/18/21

500 racoons were caught. Please provide a good explanation for this problem
1.500 racoons were caught. They were released after beingvaccinated against rabies. To estimate the raccoon population in the area,40 were caught during the summer, and only 15 had tags. Estimate... more
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Probability Math Algebra 1 Algebra 2

05/17/21

Q; Which is an example of a hypergeometric distribution?
1.Which is an example of a hypergeometricdistribution? Please explain.a) probability of the number of aces in aseven-card handb) probability of each sum when two diceare rolledc) probability of a... more
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Probability Math Algebra 1 Algebra 2

05/17/21

Please help!! Thank you, Q;Which of these random variables have a hyper geometric distribution? Explain why.
Which of these random variables have a hyper geometric distribution? Explain why.a) the number of clubs dealt from a deckb) the number of attempts before rolling a six with a diec) the number of 3s... more
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Probability Math Algebra 1 Prealgebra

05/17/21

500 racoons were caught. Please provide a good explanation for this problem
1.500 racoons were caught. They were released after beingvaccinated against rabies. To estimate the raccoon population in the area,40 were caught during the summer, and only 15 had tags. Estimate... more
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Probability Math Algebra 1 Algebra 2

05/17/21

Q; Which of the following is an example of a binomial distribution?
Which of the following is an example of abinomial distribution? Please explain.A. probabilities of the number of queens ina five-card handB. probability of each sum when two diceare rolledC.... more
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Probability Math Algebra

05/17/21

Probability Independent/Dependent
What is the probability of rolling a 4 on a number cube AND flipping a coin that lands on heads. P(4 and heads)?
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Probability Math Algebra 1 Algebra 2

05/17/21

Urgent help please with this question, thank you.
Suppose that 5% of the first batch of engines off a new production line have flaws. An inspector randomly selects six engines for testing.a) Show the probability distribution for the number of... more
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Probability Math Prealgebra Statistics

05/17/21

In a family of five children, what is the probability that there are exactly
1.In a family of five children, what is theprobability that there are exactlya) two girls?b) three boys?Show all steps and explain please!
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05/17/21

How can you find k?
X 1 2 3 4 5p(x) 1/15 k/15 k/5 4/15 k/15
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Probability Math Prealgebra Statistics

05/17/21

Math question please help
US Airlines has determined that 5% of it's customers do not show up for their flights . If a passenger is bumped off a flight because of overbooking, the airline pays the customer $200. What is the... more
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05/17/21

Please help!! with this question and explain. thank u
Which of the following situations can be modelled by a binomial distribution? Explain Please for each.a) A child rolls a die ten times and counts the number of 3's.b) The first player in a... more
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