5,395 Answered Questions for the topic probability

Probability Math Algebra 2

08/17/20

Permutations and coin flip probability questions
Q:  An elf, a dwarf, a hobbit, a wizard, and a man are sitting in a line. How many different ways can they sit if the elf and the dwarf insist on sitting next to each other? For this one, I think I... more
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Probability

08/16/20

Problem Solving

A national Survey of 1509 respondents reached on land lines and cell phones found that the percentage of adults who favor legalized abortion has dropped from 51%a year ago to 45%. The study claimed... more
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08/16/20

PROBABILITY THEORY: Should I put the ball back?
In a distant past where party games are still allowed, a boring mathematician host presented two jars with the same appearance and tells you (another boring but very competitive mathematician):... more
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Probability Mathematics

08/15/20

Solving Math Problem
What If a patient is prescribed to receive 380 mg of dopamine how long should the infusion last?
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Probability

08/15/20

Solving A Mathematics Problems
What solution consisting of 323mg of dopamine in 34ml of solution is administered at rate of 10ml/Hr and what is the flow rate in mg of dopamine per hour?
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Probability Algebra 2

08/14/20

Probability of heart defect
kim has a 30% chance of having a child born w a heart defect for every pregnancy she has. She has always wanted to have 2 children. Using the random variable x, find the probability distribution of... more
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Probability Algebra 2

08/14/20

Card probability
find the probability of selecting two 10s when two cards are drawn without replacement from a standard deck of cards
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Probability Algebra 2

08/14/20

marble probability
find the probability of picking a red or yellow marble from a bag contaning 8 red, 4 green, and 2 yellow marbles
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Probability

08/13/20

Card Probability
probability of drawing a spade and then a red card from a standard deck of cards WITHOUT replacement
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Probability Algebra 2

08/13/20

Card Probability

probability of drawing a red card or a club from a standard deck of cards
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Probability

08/13/20

Could Anyone Help With This Math Question on Probability?

Four friends want to play a game. In order to decide who starts first, two proposals are made.Kristal proposes that they assign everyone a number and take turns rolling a six-sided die. The player... more
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Probability

08/13/20

Probability binomial distribution

According to census data, there are a total of 248.8 million households in India. Out of these households, approximately 17 million households in India have dogs as pets.Now, suppose that you... more
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Probability Math Algebra 2 Statistics

08/13/20

Challenging Prob/Stats questions I am stuck on
Q1: A history pop quiz has one question in which students are asked to arrange the following presidents in chronological order: Hayes, Taft, Polk, Taylor, Grant, and Pierce.After carefully reading... more
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Probability Statistics

08/11/20

The probability of getting a reading between 0.25°C and 1.00°C is
The probability of getting a reading between 0.25°C and 1.00°C is
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Probability Statistics

08/09/20

Central limit theorem question
Assume that height of 300 soldiers in army battlaion is normally distributed with mean 68 inches and std dev of 3. If 80 samples consisting of 25 soldiers each are taken what would be the mean ane... more
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Probability

08/09/20

What is the probability that the lead singer's voice will be fine at the band's next gig, which is 2 weeks from now?
there is a 4% chance that a band's lead singer's voice isnt working on any given day. This band has played 19 gigs so far this year, and at each of these the lead singer's voice has been fine. What... more
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Probability Math Algebra 2

08/08/20

Probability of cards
find the probability of drawing a black even card from a standard deck of cards.
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Probability

08/07/20

Some confusion related to probability
3 company manufacturers 1000 scooters in a month. Plants A, B and C manufactures 500,300 and 200 resp. 90%,92% and 95% scooter are standard quality in these plants. So what is the probability that... more
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Probability Statistics Mathematics

08/07/20

Maximum Likelihood Estimate

How to derive the likelihood function for binomial distribution for parameter estimation?
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Probability Math Algebra 2

08/06/20

Probability of coin tosses and rolling dice
So I am struggling on how to calculate probability with coins and dice, so with these next examples if you could explain it, it would be very helpful to me! Any help is appreciated.Q: Find the... more
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Probability Algebra 2

08/05/20

Probability of marbles
find the probability of picking 2 blue marbles when the marbles picked (with replacement) from a bag containing 5 blue and 8 yellow marbles
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Probability Math

08/04/20

There are 3 boxes, one of them contains red balls, another contains green balls and the last contains red balls and green balls.

There are 3 boxes, one of them contains red balls, another contains green balls and the last contains red balls and green balls. These boxes are labelled with the following labels: "Red balls"... more
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08/03/20

I need to be explained about this question. Any help will be kind!
A ping pong ball is drawn at random from an urn consisting of balls numbered 4 through 9. A player wins $1 if the number on the ball is odd and loses $1.5 if the number is even. Let x be the amount... more
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Probability

08/03/20

Probability/ in a proposed business venture, a businesswoman estimates there is a 50% chance she will make $59,000 and a 50 % chance she will lose $61,000 determine her expected value

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Probability

08/01/20

What is the probability all four members on the committee will be girls

12 boys 9 girls 4 members chosen
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