According to CBS Money Watch, the average monthly household cellular phone bill is $100. Suppose monthly household cell phone bills are normally distributed with a standard deviation of $11.35. What is the probability that a randomly selected monthly cell phone bill is more than $120? Round your answer to 3 decimal places. For example, if the answer is 0.52443, enter 0.524

The file Baseball Players_2015.xlsx, sheet named Baseball Players, contains salary data on all Major League Baseball players for year 2015. Match the minimum and maximum Salary.   Note: for datafile, see question 1.

The file Baseball Players_2015.xlsx, sheet named Baseball Players, contains salary data on all Major League Baseball players for year 2015. What is average salary for the position Pitcher team Washington Nationals? Round your answer to whole number. [Hint: you may consider creating Table to filter the data]   Note: for datafile, see question 1.  

The length of a 99% confidence interval for mean Age is which of the following? (Because of potential roundoff, choose the closest.) Data file: Data file – Question 3.xlsx

The length of a 95% confidence interval for mean Age is which of the following? (Because of potential roundoff, choose the closest.) Data file: Data file – Question 3.xlsx

Suppose that two dice are tossed. For each die, it is equally likely that 1, 2, 3, 4, 5, or 6 dots will turn up. Let S be the sum of the two dice. What is the probability that S will be 3 or 11? Round your answer to 3 decimal places.  

A survey conducted for the Northwestern National Life Insurance Company revealed that 70% of American workers say job stress caused frequent health problems. Suppose a random sample of 25 American workers is selected. Based on the relevant binomial distribution, answer the following questions about X, the number of American workers who say job stress caused frequent health problems:                                   What is the probability that X is no more than 14? Round your answer to 3 decimal places. For example, if the answer is 0.52443, enter 0.524

A survey conducted for the Northwestern National Life Insurance Company revealed that 70% of American workers say job stress caused frequent health problems. Suppose a random sample of 25 American workers is selected. Based on the relevant binomial distribution, answer the following questions about X, the number of American workers who say job stress caused frequent health problems:                                   What is the probability that X is no more than 15? Round your answer to 3 decimal places. For example, if the answer is 0.52443, enter 0.524

The U.S. national average door-to-doctor wait time for patients to see a doctor is now 21.3 minutes. Suppose such wait times are normally distributed with a standard deviation of 6.7 minutes. Some patients will have to wait much shorter than the mean to see the doctor. Based on this information, 20% of patients will have to wait less than how many minutes to see a doctor? Round your answer to one decimal place.

The file Baseball Players_2015.xlsx, sheet named Baseball Players, contains salary data on all Major League Baseball players for year 2015. What is average salary for the position Pitcher? Round your answer to whole number. [Hint: you may consider creating Table to filter the data]   Note: for datafile, see question 1.