49 Answered Questions for the topic Probability Distribution

Probability Distribution Math Statistics Probability

05/24/21

Question about average thickness, standard deviation and probability distribution
Each manufacturer of sliced bread has to choose how thin to slice their bread. It turns out that sliced bread in the US has an average thickness (μ) of 9.2mm, a standard deviation (σ) of 2.5mm, and... more
Follows • 1
Expert Answers •1
Probability Distribution

06/01/20

Please help out
A financial analyst has found out that,policy holders are four times as likely to file two claims as to file four claims.If the number of claims filed has a Poisson distribution,what is the... more
Follows • 1
Expert Answers •1
Probability Distribution

06/01/20

Please help out
A random variable X has poisson distribution with mean equal to 0.4.what is the probability that the random variable is greater than Zero?
Follows • 1
Expert Answers •1
Probability Distribution

06/01/20

Please can get aid on this
A discrete random variable has probability mass function,P(X=n)= (1/2)nlet Y= {1, For x is even -1, For x is odd}find the expected value of Y; (E[y])
Follows • 1
Expert Answers •1
Probability Distribution

07/24/19

A group of people were asked if they owned a dog. 205 responded "yes", and 273 responded "no". Find the probability that if a person is chosen at random, they own a dog.
Follows • 1
Expert Answers •1
Probability Distribution Probability

07/22/19

A salesperson estimates that 30% of people make a purchase. Determine the probability distribution for the possible number of sales made for the first five people who enter the store.
Follows • 1
Expert Answers •1
Probability Distribution Probability

07/21/19

A trivia test has 10 multiple-choice questions, each with four possible answers. What is the probability of randomly guessing the correct answers for 9 or 10 of the questions.
Follows • 1
Expert Answers •1
Probability Distribution Probability

07/21/19

The odds in favour of Jack being on time for this Data Management class are 1:8. What is the probability that Jack will be on time for the next three classes?
Follows • 1
Expert Answers •1
Probability Distribution Probability

07/21/19

From 5 cats and 7 dogs in a pet shop, 4 pets are chosen at random for a visit to a children’s hospital. What is the expected number of cats chosen?
Follows • 1
Expert Answers •1
Probability Distribution Probability

07/21/19

A bank found 25% of its loans If 20 small businesses are randomly selected from the bank’s files, what is the probability that three of them are delinquent?
Follows • 1
Expert Answers •1
Probability Distribution

06/11/19

Find the probability
Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 97 people in the 18-21 age bracket and finds that 82 of them respond and 15... more
Follows • 1
Expert Answers •1
Probability Distribution

10/03/18

If the probability distribution for the random variable X is given in the​ table, what is the expected value of​ X?
If the probability distribution for the random variable X is given in the table, what is the expected value of X?   Xi -3, 1, 4 Pi .4, .5, .1   E(X)=
Follows • 1
Expert Answers •1

09/21/18

I need help with 1) Y~B(10, 0.5) Compute P(1<Y<4)= 2) Mean of 𝑥 =10, Variance of 𝑥 =16 and 𝑥 has a Normal Distribution Pr(5< 𝑥 <17)=?
i need a help with my question for homework . i need help because the professor went a quit fast in the online class. he doesn't provide good example. If anyone wanna explain it to me to how to do... more
Follows • 1
Expert Answers •1
Probability Distribution Statistics Probability Combinations

08/02/18

Please Help me to answer this question. Justify your answer please
A student council has five seniors, four juniors, three sophomores, and two freshmen as members. In how many ways can a four member council committee be formed that includes one member of each class?
Follows • 2
Expert Answers •1

08/01/18

Please help me to answer these questions for cumulative distribution of the random variable X
The cumulative distribution of the random variable X is given by G(x) = 0                    for x<0            3x2-2x3          for 0≤x<1            1                   for x ≥1 a)Find the... more
Follows • 2
Expert Answers •1
Probability Distribution

05/22/18

Discrete Random Variable
Could you please help me with the following question   Question: Is the following a Discrete Random Variable? If not, give a reason.   P(X=x) = x/6, where X = 0, 1, 2, 3   Thank you in advance
Follows • 1
Expert Answers •1
Probability Distribution Permutation And Combination

04/03/18

Find how many 4 digits numbers can be formed from the 6 digits, 2,3,5,7,8, and 9, without repeating any digit.
Also find how many of these numbers are; a) Less than 7,000 b) Odd
Follows • 2
Expert Answers •1
Probability Distribution Probability Maths Mathematics

01/27/18

Easy question however, I somehow can't do it
a pupil travels to school either by MRT or by bus. Th probability that the pupil will be late for school is 1/12 if he travels by MRT and 1/9 if he travels by bus. a) if he travels by bus on two... more
Follows • 2
Expert Answers •1

10/30/17

There is total batch of 100 products. 10 of the products are faulty. 2 products are taken randomly
There is total batch of 100 products. 10 of the products are faulty. 2 products are taken randomly from the batch without replacement for them. Variable X is the total number of faulty products... more
Follows • 1
Expert Answers •1
Probability Distribution

02/16/17

what is the value of P(X=2 or X =0)
using probability distribution table. 
Follows • 2
Expert Answers •1

12/15/16

Discrete probability distributions
If you select a red diamond picture card (i,e.) a card that doesn't have a number on it) you win $100. It costs $10 to play this game. What is your expected earnings? if you played this game 10,000... more
Follows • 2
Expert Answers •1

12/14/16

What is the probability that the random quadratic expression x^2+2x-15 will be more than 0 if x is chosen randomly over the interval (-10,10)
What is the probability that the random quadratic expression x^2+2x-15 will be more than 0 if x is chosen randomly over the interval (-10,10)
Follows • 1
Expert Answers •1
Probability Distribution

06/11/16

Probability distribution question
You play a game of rolling 2 dice. You lose the game if you roll an 11 before you roll a 7. You continue to roll until either an 11 or 7 appear. What is the probability that you will lose the game... more
Follows • 2
Expert Answers •1
Probability Distribution Statistics Question

05/14/16

Statistics Homework Help Needed
Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the... more
Follows • 1
Expert Answers •1
Probability Distribution Statistics

05/14/16

Statistics Question: Probability Distribution
Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.