california has the second lowest rate of smokers in the nation. only 15% of all californians smoke. anna thinks that the students in her school have an even lower rate. she collects a sample of 100 students, ten of them smoke. calculate the z-statitic, state the critical value, and come to a conclusion concerning the rate of students who smoke at anna's school.

What are different types of statistical programs

Which of the following is a solution of z^6 = 64i? 2(cos105° + isin105°) 2(cos120° + isin120°) 2(cos135° + isin135°) 8(cos15° + isin15°)

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?