A survey conducted by the Harris polling organization discovered that 63% of all Americans are overweight. Suppose that 30 randomly selected Americans are weighed. a) Find the probability that 18 of the 30 people are overweight.
b) Find the probability that at least one of the 30 people are overweight.

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?