Homework Answers
Note: Z score of -1.12 corresponds to 13.14th percentile where -1.13 corresponds to 12.92th percentile. So by convention, I’ve taken Z= -1.127. If you consider the nearest value of Z=-1.13, you will get the answer as 33.83
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Assume the random variable X is normally distributed, with mean u = 44 and standard deviation...
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This LUSU A Show Work Assume the random variable X is normally distributed, with mean y = 48 and standard deviation o = 6. Find the 13th percentile. The 13th percentile is (Round to two decimal places as needed.)
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Assume the random variable X is normally distributed, with mean = 50 and standard deviation 0 - 9. Find the 12th percentile. The 12th percentile is 0 (Round to two decimal places as needed.) Find the Z-scores that separate the middle 67% of the distribution from the area in the tails of the standard normal distribution Click the loon to view a table of areas under the normal curve. The Z-scores are a (Use a comma to separate answers as...
Assume the random variable x is normally distributed with mean u 84 and standard deviation o 5. Find the indicated probability. P(x< 81) P(x <81)(Round to four decimal places as needed.)
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