Lunch break: In a recent survey of
working Americans ages
-
, the average weekly amount spent on lunch as
with standard deviation
.The weekly amounts are approximately bell-shaped.
Part: 0 / 3
0 of 3 Parts Complete
Part 1 of 3
(a) Estimate the percentage of amounts that were less than
. Round the answer to one decimal place.
Approximately
of the amounts were less than
.