Scores on a particular test after a job training course are approximately normal with mean 100...
Scores on a particular test after a job training course are approximately normal with mean 100 and standard deviation 15.
(a) People with scores below 70 are required to repeat training
and retake the test. What percent of trainees must repeat training?
(Round your answer to two decimal places.)
blank %
(b) People with scores of 130 or higher are sent for further
technical training. What percent of trainees qualify for further
training? (Round your answer to two decimal places.)
blank %
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Scores on a particular test after a job training course are
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Suppose that scores on a particular test are normally distributed with a mean of 130 and...
Suppose that scores on a particular test are normally distributed with a mean of 130 and a standard deviation of 19. What is the minimum score needed to be in the top 20% of the scores on the test? Carry your intermediate computations to at least four decimal places, and round your answer to one decimal place. ?
Suppose that scores on a particular test are normally distributed with a mean of 130 and...
Suppose that scores on a particular test are normally distributed with a mean of 130 and a standard deviation of 20. What is the minimum score needed to be in the top 20% of the scores on the test? Carry your intermediate computations to at least four decimal places, and round your answer to one decimal place. |x 6 ?
Questiu IJU The scores of adults on an IQ test are approximately Normal with mean 100...
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4 The scores of adults on an IQ test are approximately Normal with mean 100 and...
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Personnel tests are designed to test a job applicant's cognitive and/or physical abilities. A particular dexterity...
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Suppose that scores on a particular test are normally distributed with a mean of 140 and...
Suppose that scores on a particular test are normally distributed with a mean of 140 and a standard deviation of 16. What is the minimum score needed to be in the top 20% of the scores on the test? Carry your intermediate computations to at least four decimal places, and round your answer to one decimal place.
Suppose that scores on a particular test are normally distributed with a mean of 130 and a standard deviation of 19. What is the minimum score needed to be in the top 20% of the scores on the test? Carry your intermediate computations to at least four decimal places, and round your answer to one decimal place. ?
Suppose that scores on a particular test are normally distributed with a mean of 130 and a standard deviation of 20. What is the minimum score needed to be in the top 20% of the scores on the test? Carry your intermediate computations to at least four decimal places, and round your answer to one decimal place. |x 6 ?
Questiu IJU The scores of adults on an IQ test are approximately Normal with mean 100 and standard deviation 15. Clara scores 131 on such a test. What is her z-score? Enter your answer rounded to three decimal places. z-score =
4 The scores of adults on an IQ test are approximately Normal with mean 100 and standard deviation 15. Alysha scores 135 on such a test. She scores higher than what percent of all adults? (a) About 5% (b) About 95% (c) About 99%
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