Which two details should be included in a summary of "home"?

Suppose a random sample of 84 men has a mean foot length of 26.9 cm with a standard deviation of 2.1 cm. what is an 95% confidence interval for this data? question 3 options: question 24 options: 28.58 to 25.22 21.52 to 32.28 24.8 to 29 24.21 to 29.59

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b

Susie ran a race. she ran 55 miles an hour, and the race took her tt hours to complete.