Question

A distribution of scores is normally distributed with a mean μ = 85 and a standard...

A distribution of scores is normally distributed with a mean μ = 85 and a standard deviation σ = 4.2. If one score is randomly sampled from the distribution, what is the probability that it will be

(a) Greater than 96?


(b) Between 90 and 97?


(c) Less than 88?

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

Homework Answers

Answer #1

For further queries, please comment below.

Thank you.

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
Mrs. Miller's statistics test scores are normally distributed with a mean score of 85 (μ) and...
Mrs. Miller's statistics test scores are normally distributed with a mean score of 85 (μ) and a standard deviation of 5 (σ). Using the Empirical Rule, about 95% of the scores lie between which two values? Provide your answer below: 95% of the x- values lie between _ and_
Suppose a college math scores are approximately normally distributed with mean μ=70 and standard deviation σ=10....
Suppose a college math scores are approximately normally distributed with mean μ=70 and standard deviation σ=10. a. What score should a student aim to receive to be in the 95th percentile of the math scores? b. You took a random sample of 25 students from this population. What is the probability that the average score in the sample will be equal to or greater than 75?
Assume the IQ scores of the students at your university are normally distributed, with μ =...
Assume the IQ scores of the students at your university are normally distributed, with μ = 115 and σ = 10. If you randomly sample one score from this distribution, what is the probability that it will be (a) Higher than 130? (b) Between 110 and 125? (c) Lower than 100?
Scores on a certain test are normally distributed with a mean of 77.5 and a standard...
Scores on a certain test are normally distributed with a mean of 77.5 and a standard deviation 9.3. a) What is the probability that an individual student will score more than 90? b) What proportion of the population will have a score between of 70 and 85? c) Find the score that is the 80th percentile of all tests.
Assume that adults have IQ scores that are normally distributed with a mean of 100 and...
Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15. For a randomly selected adult, find the probability. Round scores to nearest whole number. 1.) Prob. of IQ less than 85 2.)Prob. of IQ greater than 70 3.) Prob. of randomly selected adult having IQ between 90 and 110.
IQ scores are normally distributed with a mean of 110 and a standard deviation of 16....
IQ scores are normally distributed with a mean of 110 and a standard deviation of 16. Find the probability a randomly selected person has an IQ score greater than 115.
Assume that statistics scores that are normally distributed with a mean 75 and a standard deviation...
Assume that statistics scores that are normally distributed with a mean 75 and a standard deviation of 4.8 (a) Find the probability that a randomly selected student has a score greater than 72. (b) Find the probability that a randomly selected student has a score between 70 and 80. (c) Find the statistics score separating the bottom 99.5% from the top 0.5%. (d) Find the statistics score separating the top 64.8% from the others.
A population is normally distributed with mean μ = 100 and standard deviation σ = 20....
A population is normally distributed with mean μ = 100 and standard deviation σ = 20. Find the probability that a value randomly selected from this population will have a value between 90 and 130. (i.e., calculate P(90<X<130))
The mean of a normally distributed data set is 112, and the standard deviation is 18....
The mean of a normally distributed data set is 112, and the standard deviation is 18. a) Use the Empirical Rule to find the probability that a randomly-selected data value is greater than 130. b) Use the Empirical Rule to find the probability that a randomly-selected data value is greater than 148. A psychologist wants to estimate the proportion of people in a population with IQ scores between 85 and 130. The IQ scores of this population are normally distributed...
According to an article in American Scientist, IQ scores are normally distributed with a mean of...
According to an article in American Scientist, IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the following probabilities: a) The probability that a randomly selected person has an IQ score of at least 111. b) The probability that a randomly selected person has an IQ of less than 96. c) The probability that a randomly selected person has an IQ score between 119 and 145. (Please show all work.)
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT