standard deviation statistics homework help

defamation in the legal sense law homework help
March 8, 2023
Provide some tips that you plan to use for effectively presenting your research findings and proposed solution to your specific audience
March 8, 2023

standard deviation statistics homework help

.  Prof. Miller ran a marathon.  Given that the mean finishing time for all runners was 255 minutes with a standard deviation of 46 minutes and that finishing times were approximately normally distributed, find

(a)  the percent of finishers who ran faster than Prof. Miller’s time of 3 hr 30 min.

(b)  a time that was the 23rd percentile (23% of finishers were under that time)

(c)  the percent of runners who finished between 3 hours and 4 hours

(d)  a random sample of 32 runners got a special vitamin supplement right before the race.  Their mean time was 4 hr 2 min.  What is the probability that a group of 32 runners chosen at random would have a mean time of 4 hr 2 minutes or less?

 
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.

Buy Custom Nursing Papers