The rates for two airport shuttles are shown below
we drive shuttle
quick shuttle
rates for shuttle
• $30 for passenger pickup
so so for euch mile driven
($)
c
oö
20
30
miles
which shuttle service has a greater initial value?
which service has the greater rate of change?
explain what the greater initial value and greater
rate of change mean.
show your work.
how does the graph
show the initial
value?

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