The average life of Canadian women is 73.75 years, and the standard deviation of the life expectancy of Canadian women is 6.5 years. Using Chebyshev's theorem, determine the minimum percentage of women in Canada whose life expectancy is between 64 and 83.5 years.
A) 93.17%
B) 68.26%
C) 55.56%
D) 88.89%
E) 33.33%

Question

Quizplus · Accepted Answer

Determine the value of k: (83.5, 64) = 73.75 ± k(6.5); k = 1.5 1 − (1/k²) = 1 − (1/2.25) = .5556, or 55.56%

The Average Life of Canadian Women Is 73