Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability between the two Z scores.
The average life of Canadian women is 73.75 years and the standard deviation of the women's life expectancy in Canada is 6.5 years.
Using the Chebyshev's theorem, determine the minimum percentage of women in Canada whose life expectancy is between 64 and 83.5 years.
1 answer