A sample of size 86 will be drawn from a population with mean 90 and standard deviation 24. Use Table A.2 if needed. Part 1 Find the probability that x? will be less than 89. The probability that x? will be less than 89 is .34827. Part 2 out of 2 Find the 75th percentile of x?. Round the answer to two decimal places. The 75th percentile of x? is .
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Step 1
6745 * (24 / sqrt(86)) x = 90 + 0.6745 * (24 / 9.2736) x = 90 + 0.6745 * 2.587 Show more…
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