Asked by jaja
Wonwoo earned a score of 940 on a national achievement test. The mean test score was 850 with a standard deviation of 100. Assume that test scores are normally distributed. If there were 100,000 students who took the test, how many would be expected to have a higher score than Wonwoo?
Answers
Answered by
oobleck
940 is µ + 0.9σ
so what does your Z table say?
so what does your Z table say?
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