Determine the student percentile rank
A college student takes the standardized test and scores a 163. If the mean is 155 and standard deviation is 7, determine the student's percentile rank? (Assume a normal distribution.)
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What price should you charge for midsized automobile if you expect to maintain your record sales?
At OHB bank, average employee salary is $40,000 per year with variance of 4,000,000. The CEO decides to award bonuses in following way:
Thirty-three college freshmen were randomly chosen for on-campus survey at their university. The participants' mean GPA was 2.5, and the standard deviation was 0.5. Determine the margin of error, supposing a 95% confidence level? (Assume a normal
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Determine the conditional probability that someone has the disease, given a positive test result? Hint: you need to be familiar with the Bayes rule and the total probability rule.
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