Question

The amount of weight gained by a person during their first semester of college uniformly distributed...

The amount of weight gained by a person during their first semester of college uniformly distributed between 7 and 39 lbs. The random variable X measures the amount of weight a randomly selected person gains during their first semester of college.

A) State the distribution of the random variable defined above

B) Compute the probability that a randomly selected person gains more than 30 lbs during their first semester of college

C) Compute the probability that a randomly selected person gains between 10 and 20 lbs during their first semester of college

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

TOPIC:Uniform distribution.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1- Suppose scores on an test are normally distributed. If the test has a mean of...
1- Suppose scores on an test are normally distributed. If the test has a mean of 100 and a standard deviation of 10, what is the probability that a person who takes the test will score 120 or more 2- The average amount of weight gained by a person over the winter months is uniformly distributed from 0 to 30 lbs. Find the probability a person will gain between 10 and 15 lbs during the winter months.
The heights of tomato plants are normally distributed with a mean of 37 inches and a...
The heights of tomato plants are normally distributed with a mean of 37 inches and a standard deviation of 3.1 inches. The random variable X measures the height of a randomly selected tomato plant. A) State the distribution of the random variable defined above B) Compute the probability that a randomly selected tomato plant is taller than 45 inches C) Compute the probability that a randomly selected tomato plant is between 30 and 38 inches D) Compute the probability that...
Weight of three-month old puppies of the wild dog dingo is uniformly distributed between 4.5 lb...
Weight of three-month old puppies of the wild dog dingo is uniformly distributed between 4.5 lb and 7.5 lb. A random sample of 144 such puppies is selected. Which probability is greater, the probability that a single randomly selected puppy has weight between 7 lb and 7.5 lb or the probability that the average weight of a randomly selected sample of 144 puppies is between 6.2 lb and 7.5 lb? a. They are equal b. The probability that a single...
How much do students pay, on the average, for textbooks during the first semester of college?...
How much do students pay, on the average, for textbooks during the first semester of college? From a random sample of 400 students the mean cost was found to be $357.75, and the sample standard deviation was $37.89. Assuming that the population is normally distributed, find the margin of error of a 91% confidence interval for the population mean.
The age of children in kindergarten on the first day of school is uniformly distributed between...
The age of children in kindergarten on the first day of school is uniformly distributed between 4.91 and 5.97 years old. A first time kindergarten child is selected at random. Round answers to 4 decimal places if possible. The mean of this distribution is _______ The standard deviation is _______ The probability that the the child will be older than 5 years old? _______ The probability that the child will be between 5.01 and 5.51 years old is _______ If...
Suppose the weight of males ages 20-39 are normally distributed with a mean 196.9 lbs. and...
Suppose the weight of males ages 20-39 are normally distributed with a mean 196.9 lbs. and a standard deviation 25 lbs. A. What weight is considered the 20th percentile? B. What is the percentile of someone who weighs 165 lbs.? C. What is the proportion of males who weigh between 200 and 225 lbs.? D. Suppose 45 males were selected at random and weighed, what is the proportion of males above 205?
A random variable x is known to be uniformly distributed between 3 and 9. Show the...
A random variable x is known to be uniformly distributed between 3 and 9. Show the graph of the probability distribution. Compute the probability that 1? x ? 6. Show it on the graph of the probability distribution you draw in (a). What is the mean of the probability distribution? What is the standard deviation of the probability distribution?
The average amount of money spent for lunch per person in the college cafeteria is $6.93...
The average amount of money spent for lunch per person in the college cafeteria is $6.93 and the standard deviation is $2.61. Suppose that 17 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal placeswhere possible. What is the distribution of X?X ~ N(,) What is the distribution of x¯? x¯ ~ N(,) For a single randomly selected lunch patron, find the probability that this patron's lunch cost...
assume that the amount of time (x), in minutes that a person must wait for a...
assume that the amount of time (x), in minutes that a person must wait for a bus is uniformly distributed between 0 & 20 min. a) find the mathematical expression for the probability distribution and draw a diagram. assume that the waiting time is randomly selected from the above interval b) find the probability that a eprson wait elss than 15 min. c) find the probability that a person waits between 5-10 min. d) find the probability the waiting time...
The average amount of money spent for lunch per person in the college cafeteria is $7.42...
The average amount of money spent for lunch per person in the college cafeteria is $7.42 and the standard deviation is $2.71. Suppose that 16 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible. What is the distribution of XX? XX ~ N( , ) What is the distribution of ¯xx¯? ¯xx¯ ~ N( , ) For a single randomly selected lunch patron, find the...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT