What are the zeros of the quadratic function f(x) = 6x2 – 24x + 1?
O x=-2+ or x=-2-
© x=2+ or x=2 -
© x==2+ for x=-2-F
| © x=2+2 or x=2 - 7

People end up tossing 12% of what they buy at the grocery store. assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a. calculate the mean and the standard error for the sample proportion p. b. describe the sampling distribution of p in part a. draw a graph of this probability distribution with its mean and standard deviation. what is the probability that your survey will provide a sample proportion more than 15%? c. d. population proportion? what is the probability that your survey will provide a sample proportion within + 0.03 of the