The Empirical Rule defines that for bell-shaped distributions, about 68% of values fall within 1 standard deviation of mean. Heights of women at the large university are about bell-shaped, with the mean of 68 inches and standard deviation of 2 inches. Use the information to answer questions.
i) Find probability that 2 randomly selected women from the university are both 70 inches or shorter?
ii) Find probability that of 2 randomly selected women, one is 70 inches or shorter and other is 70 inches or taller?
iii) Find probability that 3 randomly selected women are all 68 inches or taller?