4. If test scores are approximately normally distributed with mean 82 and standard deviation 8. What...
4. If test scores are approximately normally distributed with mean 82 and standard deviation 8. What score would correspond to the 80th percentile? Round to the nearest tenth.
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4. If test scores are approximately normally distributed with
mean 82 and standard deviation 8. What...
LSAT test scores are normally distributed with a mean of 160 and a standard deviation of...
LSAT test scores are normally distributed with a mean of 160 and a standard deviation of 7. What score would place you in the top 2% of test-takers? HINT [See Example 3.] (Round your answer to the nearest whole number.)
Scores on a standard test are normally distributed with a mean of 38.7 and a standard...
Scores on a standard test are normally distributed with a mean of 38.7 and a standard deviation of 7. Find the 90th percentile of score. please show your works with explanation
a.) Test scores are normally distributed with a mean of 60 and a variance of 225....
a.) Test scores are normally distributed with a mean of 60 and a variance of 225. Joe scored at the 90th percentile which means that his score was? b.) Suppose X is normally distributed with mean 4 and standard deviation 4. Find the probability that 2X exceeds 7. c.) Test scores are normally distributed with a mean of 60 and a standard deviation of 15. Joe scored at the 95th percentile which means that his score was d.) a random...
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.
Test scores on a math exam are normally distributed with a mean of 82 and a...
Test scores on a math exam are normally distributed with a mean of 82 and a standard deviation of 5.5. Using a z-score, find the probability that a randomly selected student attained these scores A. at least 84 B. no more than 73
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 scores of students on a test are approximately normally distributed with a mean score of...
Suppose scores of students on a test are approximately normally distributed with a mean score of 65 points and a standard deviation of 8 points. It is decided to give A's to 10 percent of the students. Obtain the threshold score that will result in an A.
Scores for an exam are normally distributed with a mean of 235 and a standard deviation...
Scores for an exam are normally distributed with a mean of 235 and a standard deviation of 52. What is the percentile value of a score of 270? Round your score to TWO decimal places. For example, if you compute a value of .547, you would enter .55. ALSO: Please enter ONLY the value, no equals sign, no words, etc.
Scores on a test are normally distributed with a mean of 65 and a standard deviation...
Scores on a test are normally distributed with a mean of 65 and a standard deviation of 10. Find the score to the nearest whole number which separates the bottom 81% from the top 19%. A. 88 B. 68 C. 56 D 74
Scores on a recent Stat test were normally distributed with mean 77.26 and standard deviation 8.38....
Scores on a recent Stat test were normally distributed with mean 77.26 and standard deviation 8.38. What was the lowest score a student could earn and still be in the top 10%? (Round your answer to the nearest integer.)
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.
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