ZuoTi.Pro
Question

ACT scores have a mean of 21 and 6 percent of the scores are above 28....

ACT scores have a mean of 21 and 6 percent of the scores are above 28. The scores have a distribution that is approximately normal. Find the standard deviation. Round your answer to the nearest tenth, if necessary.

how do you solve this in excel?

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Initially we have to find Z score by using excel function,

1-norm.inv(0.06,0,1)

Then we have to use formula to find standard deviation,

0 0
Add a comment
Know the answer?
Add Answer to:
ACT scores have a mean of 21 and 6 percent of the scores are above 28....
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • ACT scores have a mean of 21.5 and 5percent of the scores are above 29 ....

    ACT scores have a mean of 21.5 and 5percent of the scores are above 29 . The scores have a distribution that is approximately normal. Find the standard deviation. Round your answer to the nearest tenth, if necessary.

  • Scores on a test have a mean of 71.1 and 7 percent of the scores are...

    Scores on a test have a mean of 71.1 and 7 percent of the scores are above 88. The scores have a distribution that is approximately normal. Find the standard deviation. Round your answer to the nearest tenth, if necessary.

  • There are two major tests of readiness for college, the ACT and the SAT. ACT scores...

    There are two major tests of readiness for college, the ACT and the SAT. ACT scores are reported on a scale from 1 to 36. The distribution of ACT scores are approximately Normal with mean μ = 21.5 and standard deviation σ = 5.4. SAT scores are reported on a scale from 600 to 2400. The SAT scores are approximately Normal with mean μ = 1498 and standard deviation σ = 316. What SAT scores make up the top 14%...

  • suppose ACT reading scores are normally distributed with a mean of 21.4 and a standard deviation...

    suppose ACT reading scores are normally distributed with a mean of 21.4 and a standard deviation of 5.9 . A university plans to award scholarships to students who’s scores are in the top 9%. what is the minimum score required for the scholarship? Suppose ACT Reading scores are normally distributed with a mean of 21.4 and a standard deviation of 5.9. A university plans to award scholarships to students whose scores are in the top 9 %. What is the...

  • NOTE: The numerical values in this problem have been modified for testing purposes. Suppose composite scores...

    NOTE: The numerical values in this problem have been modified for testing purposes. Suppose composite scores on the ACT test for the high school graduating class in a certain year had mean 21 and standard deviation 5.2.In al, 1,799,243 students in this class took the test. Of these, 170,777 had scores higher than 28 and another 54,167 had scores exactly 28. ACT scores are always whole numbers. The exactly Normal N(21, 5.2) distribution can include any value, not just whole...

  • Suppose ACT Composite scores are normally distributed with a mean of 20.6 and a standard deviation...

    Suppose ACT Composite scores are normally distributed with a mean of 20.6 and a standard deviation of 5.2. A university plans to admit students whose scores are in the top 40%. What is the minimum score required for admission? Round your answer to the nearest tenth, if necessary.

  • Suppose ACT Reading scores are normally distributed with a mean of 21.4 and a standard deviation...

    Suppose ACT Reading scores are normally distributed with a mean of 21.4 and a standard deviation of 5.9. A university plans to award scholarships to students whose scores are in the top 9 % . what is the minimum score required for the scholarship? Round your answer to the nearest tenth, if necessary.

  • Suppose that composite scores on the ACT test for the school graduating class in a certain...

    Suppose that composite scores on the ACT test for the school graduating class in a certain year had a mean of 24.2 and a standard deviation of 4.6. In all, 1,823,241 students in this class took the test, and of these, 6,947 had scores higher than 36.4 and 2,404 had scores exactly 36.4. ACT scores are always whole numbers, but the Normal N(24.2, 4.6) distribution can include any value, not just whole numbers. What is more, there is no area...

  • The composition scores of individuals on the ACT college entrance examination in 2019 have mean 20.8...

    The composition scores of individuals on the ACT college entrance examination in 2019 have mean 20.8 and standard deviation 5.8. Use this information, answer the following questions: (Round z-score values to 2 decimal places) (a) Now suppose that the composition scores are normally distributed, what is the probability that a single student randomly chosen from all those taking the test scores higher than 22? (6 points) (b) (Ignore part a) Now suppose that we take a simple random sample of...

  • There are two major tests of readiness for college: the ACT and the SAT. ACT scores...

    There are two major tests of readiness for college: the ACT and the SAT. ACT scores are reported on a scale from 1 to 36. The distribution of ACT scores in recent years has been roughly Normal with mean µ = 20.9 and standard deviation s = 4.8. SAT scores are reported on a scale from 400 to 1600. SAT scores have been roughly Normal with mean µ = 1026 and standard deviation s = 209. Reports on a student's...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT