Two weeks ago you placed an order for some pizzas and some breadsticks and it cost $46.65. Last week when you ordered a different number of pizzas and breadsticks it cost $88.70. Fill in the blanks to determine the number of pizzas, x, and the number of breadsticks, y. Then solve the system of equations to find the price of each pizza and each order of breadsticks. Make sure you write your solution as a sentence in the context of the story problem.

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