The average time spent by the guests at QM Resorts is 12 days with a variance of 4 days. What is the probability that a guest selected at random will stay: 

a) less than 8 days, 

b) between 7 to 10 days, and 

c) more than 13 days? 

Assume Normal distribution. (Show every step and show all calculations. Use an appropriate table from the textbook or use MS Excel)

Answer rating: 100% (QA)

Z s core X M M mean 12 days ... View the full answer