41 Answered Questions for the topic Probability Distribution
Question about average thickness, standard deviation and probability distribution
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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.
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.
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.
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?
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?
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?
Find the probability
If the probability distribution for the random variable X is given in the table, what is the expected value of X?
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)=?
Please Help me to answer this question. Justify your answer please
Please help me to answer these questions for cumulative distribution of the random variable X
Discrete Random Variable
Find how many 4 digits numbers can be formed from the 6 digits, 2,3,5,7,8, and 9, without repeating any digit.
Easy question however, I somehow can't do it
what is the value of P(X=2 or X =0)
Discrete probability distributions
Probability distribution question
Finding a distribution
Multivariate normal distribution