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I have the answers, but don't know how to find the answer. Could you please show me the work to figure out the problems? Thanks
I have the answers, but don't know how to find the answer. Could you please show me the work to figure out the problems? Thanks
- 6-2.Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6.
- What is the probability that a randomly selected exam will have a score of at least 71?
- What percentage of exams will have scores between 89 and 92?
- If the top 2.5% of test scores receive merit awards, what is the lowest score eligible for an award?
- If there were 334 exams with scores of at least 89, how many students took the exam?
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Probability and Stochastic Processes A Friendly Introduction for Electrical and Computer Engineers
Authors: Roy D. Yates, David J. Goodman
3rd edition
1118324560, 978-1118324561
