Amy's company has its mean salary = $50,000 and standard deviation =$10,000; if she is 3 sigmas below the mu, what is her $salary?
Amy's company has its mean salary = $50,000 and standard deviation =$10,000; if she is 2 sigmas above the mu and Bob is 1 sigma above the mu, what is her $salary compared with Bob's?
"Huxley Bus" arrival times have mean = 11:30 AM and standard deviation = 5 minutes; today it arrived 3 sigmas earlier than the mu, what AM time did it arrive?