81, 75, 68, 97, 69, 81, 89, 74, 75, 82, 91, 90
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Mathematics, 20.12.2019 02:31 spacehunter22
The quiz grades of a math class are given.
81, 75, 68, 97, 69, 81, 89, 74, 75, 82, 91, 90
the grades are normally distributed with a mean of 81 and a standard deviation of 9.2.
what is the z-score of the lowest grade in the quiz?
round the answer to the nearest hundredth.
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Answers: 2
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You know the right answer?
The quiz grades of a math class are given.
81, 75, 68, 97, 69, 81, 89, 74, 75, 82, 91, 90
81, 75, 68, 97, 69, 81, 89, 74, 75, 82, 91, 90
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