Question
One year consumers spent an average of $22 on a meal at a resturant. Assume that the amount spent on a resturant meal is normally
One year consumers spent an average of $22 on a meal at a resturant. Assume that the amount spent on a resturant meal is normally distributed and that the standard deviation is $5.
Complete parts (a) through (c) below.
What is the probability that a randomly selected person spent more than
$26?
(Round to four decimal places as needed.)
b.
What is the probability that a randomly selected person spent between
$11
and
$20?
(Round to four decimal places as needed.)
c.
Between what two values will the middle
95%
of the amounts of cash spent fall?The middle
95%
of the amounts of cash spent will fall between
X= and X=
(Round to the nearest cent (two digits to the right of the decimal point) as needed.)
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