Tim throws a stick straight up in the air from the ground. the function h = –16t2 + 48t models the height, h, in feet, of the stick above the ground after t seconds. which inequality can be used to find the interval of time in which the stick reaches a height of more than 8 feet?
a.) –16t2 + 48t > 8
b.) –16t2 + 48t < 8
c.) –16t2 + 48t ³ 8
d.) –16t2 + 48t £ 8

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