In: Statistics and Probability
This week, a very large running race (5K) occured in Denver. The
times were normally distributed, with a mean of 20.43 minutes and a
standard deviation of 4.85 minutes.
Report your answers accurate to 2 decimals
a. What percent of runners took 23.89 minutes or less to complete
the race? Correct %
b. What time in minutes is the cutoff for the fastest 8.26
%? Minutes
c. What percent of runners took more than 19.32 minutes to complete
the race? %This week, a very large running race (5K) occured in
Denver. The times were normally distributed, with a mean of 20.43
minutes and a standard deviation of 4.85 minutes.
Report your answers accurate to 2 decimals
a. What percent of runners took 23.89 minutes or less to complete
the race? Correct %
b. What time in minutes is the cutoff for the fastest 8.26
%? Minutes
c. What percent of runners took more than 19.32 minutes to complete
the race? %