A water footprint is a measure of the appropriation of fresh water. The per capita water footprint (in mega gallons) in a certain country for a recent year can be approximated by a normal distribution, as shown in the figure. (a) What water footprint represents the 86th percentile? (b) What water footprint represents the 28th percentile? (c) What water footprint represents the third quartile? u = 1.78 Mgal a2.76 MgalC -6.22 1.78 Mega gallons 9.78 (a) The water footprint that represents the 86th percentile is (Round to two decimal places as needed.) Mgal. (b) The water footprint that represents the 28th percentile is Mgal. (Round to two decimal places as needed.) (c) The water footprint that represents the third quartile is Mgal. (Round to two decimal places as needed.)

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A water footprint is a measure of the appropriation of fresh water. The per capita water footprint (in mega gallons) in a certain country for a recent year can be approximated by a normal distribution, as
shown in the figure.
(a) What water footprint represents the 86th percentile?
(b) What water footprint represents the 28th percentile?
(c) What water footprint represents the third quartile?
u= 1.78 Mgal
o = 2.76 Mgal E
-6.22
1.78
9.78
Mega gallons
(a) The water footprint that represents the 86th percentile is
Mgal.
(Round to two decimal places as needed.)
(b) The water footprint that represents the 28th percentile is
Mgal.
(Round to two decimal places as needed.)
(c) The water footprint that represents the third quartile is
Mgal.
(Round to two decimal places as needed.)
Transcribed Image Text:A water footprint is a measure of the appropriation of fresh water. The per capita water footprint (in mega gallons) in a certain country for a recent year can be approximated by a normal distribution, as shown in the figure. (a) What water footprint represents the 86th percentile? (b) What water footprint represents the 28th percentile? (c) What water footprint represents the third quartile? u= 1.78 Mgal o = 2.76 Mgal E -6.22 1.78 9.78 Mega gallons (a) The water footprint that represents the 86th percentile is Mgal. (Round to two decimal places as needed.) (b) The water footprint that represents the 28th percentile is Mgal. (Round to two decimal places as needed.) (c) The water footprint that represents the third quartile is Mgal. (Round to two decimal places as needed.)
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