A data set has a mean of 1600 and a standard deviation of 10

A data set has a mean of 1,600 and a standard deviation of 100.

Using Chebyshev\'s theorem, what percentage of the observations fall between 1,400 and 1,800? (Do not round intermediate calculations. Round your answer to the nearest whole percent.)

Using Chebyshev’s theorem, what percentage of the observations fall between 1,300 and 1,900? (Do not round intermediate calculations. Round your answer to the nearest whole percent.)

Solution