5,341 Answered Questions for the topic probability

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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Probability Math Prealgebra Statistics

05/16/21

Please help with this question, thank you
In a manufacturing process it is estimated that 0.1% of the products are defective. If a client places an order for 25 of the products, what is the probability that at least two of them are... more
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05/16/21

Q; In a manufacturing process it is estimated that 0.1% of the products are defective.
In a manufacturing process it is estimated that 0.1% of the products are defective. If a client places an order for 25 of the products, what is the probability that at least two of them are... more
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Probability Math Prealgebra Statistics

05/16/21

Please help with question I really don't understand!
The door prizes at a dance are gift certificates from local merchants. there are four $10 certificates, five $20 certificates, and three $50 certificates. The prize envelopes are mixed together in... more
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Probability Math Prealgebra Statistics

05/15/21

Q; A pair of dice are rolled 20 times.
A pair of dice are rolled 20 times.Please explain for each variable when you solve.a) What is the probability that double sixes are rolled twice?b) Determine the expected number of double sixes?
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Probability Math Algebra 1 Prealgebra

05/15/21

Q; The door prizes at a dance are gift certificates from local merchants.
The door prizes at a dance are gift certificates from local merchants. there are four $10 certificates, five $20 certificates, and three $50 certificates. The prize envelopes are mixed together in... more
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Probability Math Geometry

05/15/21

Probability Questions ?

1.Karen, Melissa, and Olivia are on the same swimming team and are each competing in the finals of the 200-meter freestyle race. There are 8 swimmers in all, and the fastest 3 swimmers win a medal.... more
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Probability

05/15/21

Probability question/s
A class at College is comprised of sixteen (16) girls and fourteen (14) boys. The class was given detention from 3:00 pm to 4:30 pm last week Tuesday. At 3:30 pm the teacher selected a student at... more
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