In a certain distribution, the mean is 50 with a standard deviation of 6. Use Chebyshev's theorem to tell the probability that a number lies in the following interval. Round your results to the nearest whole percent. Between 20 and 80 mie al R O A. At least 96% Sav ay 1 O B. At least 94% O C. At least 99% O D. At least 98% Nati