Mathematics, 20.09.2020 09:01 caz27

ASAP! I need some help with these 5 statistics questions please! (I will post them all separately). Question 1: The mean time taken by all participants to run a road race was found to be 145 minutes with a standard deviation of 15 minutes. Using Chebyshev's theorem, find the percentage of runners who ran this road race in 100 to 190 minutes.

Round your answer to the nearest integer.

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ASAP! I need some help with these 5 statistics questions please! (I will post them all separately)....