Data file: Datafile_Question 1.xlsx The file above contains…

Data file: Datafile_Question 1.xlsx The file above contains a random sample of 200 service times during the busiest hour of the day at a particular fast-food restaurant. Calculate a 95% confidence interval for the proportion of service times longer than 90 seconds. What are the values of lower limit (LL) and upper limit (UL)? Round your answer to 3 decimal places.   

The U.S. national average door-to-doctor wait time for patie…

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, 25% of patients will have to wait less than how many minutes to see a doctor? Round your answer to one decimal place.

The U.S. national average door-to-doctor wait time for patie…

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, 5% 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 Pl…

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 Third Baseman? Round your answer to whole number.    Note: for datafile, see question 1. Attach here as well: Baseball Players_2015.xlsx