Who eats breakfast? Refer to Exercise 49. (a) Construct a Venn diagram that models the chance process using events B: eats breakfast regularly, and M: is male. (b) Find P(B M). Interpret this value in context. (c) Find P(BC MC). Interpret this value in context.

Variation of sample mean: With a population standard deviation of σ , the variation of the sample means is σX´ , which the standard deviation of the sample mean: σX= σ √n But if we don’t know the population standard deviation, σ , we use the sample standard deviation, S, to approximate the population standard deviation, and the variation...