Use the data in the following table, which lists
drive-thru order accuracy at popular fast food chains (data from a
QSR Drive-Thru Study). Assume that orders are randomly selected
from those included in the table.
McDonald's
Burger King
Wendy's
Taco Bell
Order Accurate
329
264
249
145
Order Not Accurate
33
54
31
13
Fast Food Drive-Thru Accuracy If two
orders are selected, find the probability that they are both from
Wendy’s.
Assume that the selections are made with replacement. Are the
events independent?
If 2 orders are placed without replacement, what is the
probability that all orders are from Wendy’s?
Assume that the selections are made without replacement. Are
the events independent?
If one order is selected, find the probability of getting an
order from McDonald’s or Wendy’s or an order that IS NOT
accurate.