Question

A physical fitness researcher devises a test of strength and finds that the scores are Normally...

A physical fitness researcher devises a test of strength and finds that the scores are Normally distributed with a mean of 100 lbs and a standard deviation of 10 lbs.

What is the minimum score needed to be stronger than all but 5% of the population?

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

Homework Answers

Answer #1

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
Scores on a certain test are normally distributed with a variance of 22. A researcher wishes...
Scores on a certain test are normally distributed with a variance of 22. A researcher wishes to estimate the mean score achieved by all adults on the test. Find the sample size needed to assure with 95 percent confidence that the sample mean will not differ from the population mean by more than 2 units.
12. a) If scores on a certain medical test are normally distributed with mean 50 and...
12. a) If scores on a certain medical test are normally distributed with mean 50 and standard deviation 5, what score (or lower) would place a score in the bottom 10% of scores? b) If scores on a certain medical test are normally distributed with mean 50 and standard deviation 5, and if 30 of these medical test scores are selected at random and the average score is computed, what is the probability that this average score will be greater...
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.
Suppose scores on an IQ test are normally distributed. If the test has a mean of...
Suppose scores on an IQ test are normally distributed. If the test has a mean of 100 and a standard deviation of 10. 1. What is the probability that a person who is randomly selected will score between 83 and 102? 2. What is the probability that a person who is randomly selected will score more than 119? 3. What IQ score corresponds to the 83rd percentile for all people?
A national placement test has scores that are normally distributed with a mean of 500 and...
A national placement test has scores that are normally distributed with a mean of 500 and a standard deviation of 100. a) A certain college requires a minimum score of 600. What percent of students would meet that criteria?             b) A different college will accept only the top 10%. What is the college’s cutoff score?
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.
The Law School Admission Test (LSAT) is designed so that test scores are normally distributed. The...
The Law School Admission Test (LSAT) is designed so that test scores are normally distributed. The mean LSAT score for the population of all test-takers in 2005 was 154.35, with a standard deviation of 5.62. Calculate the value of the standard error of the mean for the sampling distribution for 100 samples. Round to the second decimal place.
Assume that a set of test scores is normally distributed with a mean of 100 and...
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 10. Use the​ 68-95-99.7 rule to find the following quantities. a. The percentage of scores less than 100 is __% b. The percentage of scores greater than 110 is __% c. The percentage of scores between 80 and 110 is __% (Round to one decimal place as needed)
Assume that a set of test scores is normally distributed with a mean of 100 and...
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 10 . Use the​ 68-95-99.7 rule to find the following quantities. a. The percentage of scores less than 110 is ​%. ​(Round to one decimal place as​ needed.) b. The percentage of scores greater than 110 is nothing ​%. ​(Round to one decimal place as​ needed.)
A.) A certain intelligence test has scores that are normally distributed with a mean of 100...
A.) A certain intelligence test has scores that are normally distributed with a mean of 100 and a standard deviation of 10. An individual takes the test and converts his score to a Z-score which he calculates to be 1.5. This corresponds to an actual test score of? B.) Boiling point measurements for a liquid under fluctuating pressure conditions is normally distributed with mean 98 degrees and standard deviation 0.5. The probability that a boiling point measurement exceeds 99 degrees...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT