5,341 Answered Questions for the topic probability

Probability

07/27/22

Likelihood of Jackson Browne songs coming up in massive playlist
Hello!Okay here goes:I have a Spotify playlist. It has 1,675 songs on it. Only 5 of those are by Jackson Browne.I listened to 40 songs yesterday.4 of them were by Jackson Browne. What are the... more
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Probability

07/26/22

Put the events in order of what is most likely to happen, to least likely to happen. If you were to win a million dollars for winning one of these events, which would you pick to play?
Put the events in order of what is most likely to happen, to least likely to happen. If you were to win a million dollars for winning one of these events, which would you pick to play? Use... more
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Probability

07/25/22

Probability question
You are given three pennies. You will shake them in your hands and deposit them onto a table repeating the process 6 times in a row. Heads is a value of 2. Tails is a value of 3. The possible... more
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Probability Math Act Math

07/25/22

Probability problem about trials
Independent trials are performed, each with probability p of success. Let Pn be the probability that n trials result in an even number of successes. Show that:
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Probability Math

07/24/22

Help with Conditional Probability question (Urns and Balls)
Urn A contains 3 red and 7 blue balls. Urn B contains 4 red and 5 white balls, andUrn C contains 3 white and 6 blue balls. A ball is chosen at random from Urn A andplaced in Urn B. Then a ball is... more
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Probability Math

07/21/22

Of the water lilies in the pond, 43% of them are yellow and The others are white. A frog randomly jumps onto a lily. Find the probability of the complement of the frog landing on a yellow lily. round!
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Probability Math

07/21/22

Of the water lilies in the pond, 43% of them are yellow and The others are white. A frog randomly jumps onto a lily. Find the probability of the complement of the frog landing on a yellow lily. round!
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Probability Sat Math

07/20/22

In a recent poll, 390 people were asked if they liked dogs, and 71% said they did. Find the margin of error of this poll, at the 90% confidence level.
what is the margin of error
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Probability Math Sat Math

07/20/22

Probability problem: throwing 6n dice at random
You throw 6n dice at random. Show that the probability that each number appears exactly n times is
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Probability

07/19/22

PROBABILITY QUESTION

Three coins are tossed. Find the probability of tossing each of the following events:1. Three heads.Answer: 2. Two heads and a tail.Answer: 3/83. At least one tail.Answer: 4. At least two... more
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Probability Statistics

07/19/22

What is the probability of flipping 3 coins and all three landing on heads? P(Answer ) = Answer 0.125 (Enter your answer as a decimal. Do not round.) HINT: Change the fraction to a decimal.

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Probability

07/16/22

If they offer a 2 year extended warranty for $31, what is the company's expected value of each warranty sold?
A company estimates that 0.5% of their products will fail after the original warranty period but within 2 years of the purchase, with a replacement cost of $250.If they offer a 2 year extended... more
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Probability

07/16/22

What is the probability of winning $100,000?
In a particular lottery game, a player picks 5 numbers from 1 to 51. If 4 of the 5 numbers match those drawn, the player wins $100,000. What is the probability of winning $100,000?
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Probability

07/16/22

What is the probability that the CDs are in alphabetical order

You own 23 CDs with different titles. You want to randomly arrange 10 of them in a CD rack. What is the probability that the rack ends up in alphabetical order by title?
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Probability

07/16/22

How many different standard plates are possible in this country?
Standard automobile license plates in a country display 1 numbers, followed by 3 letters, followed by 3 numbers. How many different standard plates are possible in this country? (Assume repetitions... more
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Probability

07/16/22

Find the probability that a randomly selected person in a fatal car crash who was ejected from the vehicle was wearing a seat belt
A study showed that 66% of occupants involved in a fatal car crash wore seat belts. Of those in a fatal car crash who wore seat belts, 16% were ejected from the vehicle. For those not wearing seat... more
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Probability

07/16/22

What is the probability that an individual has these symptoms and tests positively actually has COVID-19
The probability that a person with certain symptoms has COVD-19 is 0.81. One test being used to confirm this diagnosis gives positive results for 93% of people with the virus and 3% of those... more
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Probability Math Statistics

07/12/22

i need help with this :))))
Miranda decided to buy a $50,000 term life insurance policy from Palmetto Insurance Company to cover her until she is 55. She is currently 50 years old and in good health. The probability of death... more
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Probability Math Statistics

07/10/22

Probability of certain cards in 10 card poker
Find the probability of being dealt seven clubs and three cards with one card of each other remaining suit in 10​-card poker.
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Probability Math Statistics

07/10/22

What is the probability of these two scenarios?
A shipment of 13 microwave ovens contains 3 defective units. A restaurant buys three of these units. What is the probability of the restaurant buying at least two nondefective​ units?The... more
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Probability Statistics Data Science

07/10/22

How to calculate the likelihood?
We will define the following probabilities for a PCR test:p - The probability that a pcr test of a **sick** person, will show us a positive result.q - The probability that a pcr test of a... more
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Probability Math Statistics

07/09/22

What is the probability of tossing head and then rolling a number greater than two
A coin is tossed in a six sided dice number one through six is rolled. Find the probability of tossing ahead and then rolling a number greater than two. The probability of tossing ahead and then... more
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Probability

07/08/22

Construct the 95​% confidence interval estimate of the mean wake time for a population with the treatment. enter your response here min<μ<enter your response here min ​
A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before​ treatment, 16 subjects had a mean wake time of 104.0 min. After​ treatment, the... more
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Probability

07/07/22

Probability distribution game
I want you come up with a game. I want your game to have at least 8 different possible monetary outcomes. You are going to charge people money (you decide how much) to play the game... more
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Probability

07/06/22

Suppose you roll a die 30 times. How many 2s would you expect to get?
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