statistics

posted by .

4. A large company insists that all job applicants who are invited for an interview take a psychometric test. The results of these tests follow a normal distribution with a mean of 61% and a standard deviation of 7.2%.
a) What proportion of applicants would be expected to score over 70%?
b) What proportion of applicants would be expected to score under 40%?
c) What proportion of applicants would be expected to score between 50% and 65%?

  • statistics -

    Use same process as indicated in your previous post.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. MTH233/statistics UOP

    A car company says that the mean gas mileage for its luxury sedan is at least 21 miles per gallon. You believe the claim is incorrect and find that a random sample of five cars has a mean gas mileage of 19 miles per gallon and a standard …
  2. Statistics

    Suppose that two different tests A and B are to be given to a student chosen at random from a certain population. Suppose also that the mean score on test A is 85, and the standard deviation is 10; the mean score on test B is 90, and …
  3. statistics

    Three students take equivalent stress tests. Which is the highest relative score?
  4. Standard Deviation

    On standard IQ tests, the mean is 100 and the standard deviation is 16. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is …
  5. Statistics

    On standard IQ tests, the mean is 100 and the standard deviation is 13. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is …
  6. Statistics

    On standard IQ tests, the mean is 120 and the standard deviation is 18. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is …
  7. Statistics

    On standard IQ tests, the mean is 110 and the standard deviation is 15. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is …
  8. statistics

    On standard IQ tests, the mean is 120 and the standard deviation is 15. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is …
  9. stats

    (a) The test had six multiple-choice items that were scored as correct or incorrect, so the total score was an integer between 0 and 6. Do you think that these data are Normally distributed?
  10. stats

    (a) The test had six multiple-choice items that were scored as correct or incorrect, so the total score was an integer between 0 and 6. Do you think that these data are Normally distributed?

More Similar Questions