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Statistics - Probability, Standard Deviation

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5. The probability that a randomly selected computer will malfunction when a student has an internet class assignment due is 0.15. What is the probability ...
6. Find the mean, variance, and standard deviation for the number of computer malfunctions in a class of 9 students as described in problem 5.
10. IQ scores are normally distributed with a mean of 100 and standard deviation of 15. What IQ score separates the top 0.75% from ...
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