The average U S monthly cable bill in 2012 has The average U. S. monthly cable bill in 2012 has been

/in /by

The average U S monthly cable bill in 2012 has

The average U. S. monthly cable bill in 2012 has been reported to be $ 86. Assume monthly cable bills follow a normal distribution with a standard deviation of $ 9.50.

a. What is the probability that a randomly selected bill will be

1. Less than $ 80?

2. Less than $ 90?

3. Exactly $ 85?

4. Between $ 75 and $ 95?

b. Use Excel or PHStat to confirm the answers in part a.

c. Which monthly cable bill represents the 75th percentile?

The average U S monthly cable bill in 2012 has

 
Do you need a similar assignment done for you from scratch? We have qualified writers to help you. We assure you an A+ quality paper that is free from plagiarism. Order now for an Amazing Discount!
Use Discount Code "Newclient" for a 15% Discount!

NB: We do not resell papers. Upon ordering, we do an original paper exclusively for you.