One year consumers spent an average of
on a meal at a resturant. Assume
that the amount spent on a resturant meal is normally distributed and that the standard deviation is
Complete parts (a) through (c) below.
Between what two values will the middle
of the amounts of cash spent fall?
95% of the amounts of cash spent will fall between
(Round to the nearest cent as needed.)
Can you demonstrate how this can be solved using excel for example: Norm.Inv