5,341 Answered Questions for the topic probability

09/17/23

Two standard dice are rolled. The product of the two numbers rolled is calculated. What is the probability that the ones digit of this product is 0?
Given Options(A) 11/36(B) 2/9(C) 1/36(D) 1/6(E) 5/36I am looking for answer + explanation.
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Probability

09/12/23

Probability of fake accounts
I came across the following question which is simple, but the wording is confusing:In a network, 5% of users are fake. Also, fake users send friend request 10 times more than real users. What is... more
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Probability

09/12/23

determining the cumulative probability distribution
Complete the table below by determining the cumulative probability distribution:x P(x) cdf0 0.196 1 0.24 2 0.245 3 0.181 4 0.138
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Probability

09/07/23

Probability question

In a large population, 52% of the people have been vaccinated. If three people are randomly selected, what is the probability that at least one of them been vaccinated?Give your answer as a decimal... more
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Probability

09/07/23

Show that the following sequences of sets, {Ck}, are non-decreasing or non-increasing give definition of limit k→∞ Ck and then find it in each of the following cases.
Show that the following sequences of sets, {Ck}, are non-decreasing or non-increasinggive definition of limit k→∞ Ck and then find it in each of the following cases.(a) {Ck} = {x : x ≥ 9 - (1/k)} ,... more
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Probability

09/06/23

Probability question

Suppose a jar contains 5 red marbles and 35 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time :Find the probability that both are red. The answer in the... more
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Probability

09/06/23

In this exercise, use the following statement to find the odds that a card dealt from a full deck (no jokers) is not a king. (Simplify the answer as much as possible)
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Probability

08/31/23

Calculating Degree of Separation and Probability
If there are 18,000 people in a subset of people in the United States, what is the degree of separation from a random person in the rest of the population of 330,000,000 people?And what is the... more
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Probability

08/31/23

Probability Question
Imagine you have a 3x3 grid with two possible outcomes, red or blue. There are 4 red and 5 blue spaces. The rules are: keep picking until all blue spaces are picked. What is the breakdown you won't... more
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Probability

08/25/23

What is an equation I can use for P((x+y)/2>n) in a multivarative normal distribution with a mean of 0, standard deviation of 1, and a correlational coefficient of .5?
What is an equation I can use for P((x+y)/2>n) in a multivarative normal distribution with a mean of 0, standard deviation of 1, and a correlational coefficient of .5?
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Probability

08/21/23

Business analysis
You run a school in Florida. Fixed monthly cost is $5,290.00 for rent and utilities, $6,105.00 is spent in salaries and $1,190.00 in insurance. Also every student adds up to $98.00 per month in... more
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Probability

08/10/23

The average time between accidents in a factory is 11 weeks. Find the probability that more than 19 weeks pass between accidents.
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Probability

08/05/23

The question is on Math Probability and has five parts. According to Masterfoods, 12% of peanut M&M's are brown, 15% are yellow , 12% are red, 23% are orange and 15% are green.

Round your answers to 4 decimal places where possible. Compute the probability that a randomly selected peanut M&M is not orange. Compute the probability that a randomly selected peanut M&M... more
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07/26/23

Please give answer and show your work for all questions

Let’s assume the following statements are true: Historically, 75% of the five-star football recruits in the nation go to universities in the three most competitive athletic conferences.... more
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Probability Math Statistics

07/23/23

Statistics from Sciences: Probability

During the Manhattan Project, the physicist Enrico Fermi asked Leslie R. Groves, the general in charge, "how do you define a 'great general'?" General Groves replied, "any great general who wins... more
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Probability Math Statistics

07/23/23

Statistics for Sciences: Probability Question

Imagine that a long stretch of a single-stranded DNA has 30% adenine, 25% thiamine, 15% cytosine, and 30% guanine. (These make up the nucleotides of the DNA.) What is the probability of randomly... more
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Probability

07/20/23

A distribution of scores on an aptitude test has a mean of µ =500 and a standard deviation of σ =100. For the population of test-takers who have taken the aptitude test
A distribution of scores on an aptitude test has a mean of µ =500 and a standard deviation of σ =100. For the population of test-takers who have taken the aptitude test; (10 marks) a. What... more
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07/20/23

The mean of the data for the resting heart rate of adults is 69 beats per minute, and the standard deviation is 2 beats per minute. The results of the data were normally distributed.

About what percent of the population has a resting heart rate between 67 and 69?
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07/16/23

Counting problem
There are exactly 20 students currently enrolled in a class. How many different ways are there to pair up the 20 students, so that each student is paired with one other student? Solve this in at... more
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Probability Math Algebra 2 Statistics

07/12/23

Double Checking So Can Someone tell me what the answer is
A calculus exam that was taken by 99 students is recorded and normally distributed. The mean score on the exam is 77 and the standard deviation is 2.6. What percent of the scores are in the 74.4... more
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Probability Math Algebra 2 Statistics

07/12/23

Double Checking So Can Someone tell me what the answer is
A calculus exam that was taken by 99 students is recorded and normally distributed. The mean score on the exam is 77 and the standard deviation is 2.6. What percent of the scores are in the 74.4... more
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Probability Math Algebra 2 Statistics

07/12/23

Double Checking So Can Someone tell me what the answer is
A calculus exam that was taken by 99 students is recorded and normally distributed. The mean score on the exam is 77 and the standard deviation is 2.6. What percent of the scores are in the 74.4... more
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Probability Math Algebra 2 Precalculus

07/07/23

Please explain in detail and give the answer so I can cross check my work.
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 Statistics

06/23/23

statistics probability
Use the spinner below to find the probability of getting the following number after 1 spin.P(3 or 2) = rrect   (Please enter a reduced fraction)
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Probability Math Statistics

06/16/23

How do I find the total number of arrangements with multiple restrictions?
Q) Find the total number of different arrangements of the 8 letters in the word TOMORROW that have an R at the beginning and an R at the end, and in which the three Os are not all together.All I... more
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