# Question: According to a report by Scarborough Research the average monthly household

According to a report by Scarborough Research, the average monthly household cellular phone bill is $73. Suppose local monthly household cell phone bills are normally distributed with a standard deviation of $11.35.

a. What is the probability that a randomly selected monthly cell phone bill is more than $100?

b. What is the probability that a randomly selected monthly cell phone bill is between $60 and $83?

c. What is the probability that a randomly selected monthly cell phone bill is between $80 and $90?

d. What is the probability that a randomly selected monthly cell phone bill is no more than $55?

a. What is the probability that a randomly selected monthly cell phone bill is more than $100?

b. What is the probability that a randomly selected monthly cell phone bill is between $60 and $83?

c. What is the probability that a randomly selected monthly cell phone bill is between $80 and $90?

d. What is the probability that a randomly selected monthly cell phone bill is no more than $55?

## Answer to relevant Questions

To answer this question, use the Data Analysis Toolpack in Excel and select “t-Test: Two-Sample Assuming Equal Variances” from the list of available tools. Explain your answer (how did you decide if men spend more) and ...Smith Industries has a 8.0% bond maturing in 12 years. What is the yield to maturity if the current market price of the bond is:Other Requirements: (Yield to maturity) Smith Industries has a 8.0% bond maturing in 12 years. ...Explain how convertible bonds and warrants are similar and different.Tulsa Drilling Company has $1 million in 11 percent convertible bonds outstanding. Each bond has a $1,000 par value. The conversion ratio is 40, the stock price is $32, and the bonds mature in 10 years. The bonds are ...(a) A project requires the use of structural steel in several tasks over the 12 month period expected to complete the work. Based on recent experience the most likely price for the material is $0.30/lb. There are, however, ...Post your question