17. water use the old farmer's almanac reports that the
average person uses 123 gallons of water daily. if the
standard deviation is 21 gallons, find the probability that|
the mean of a randomly selected sample of 15 people
will be between 120 and 126 gallons. assume the
variable is normally distributed.

false

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step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length

80 the answer is 80

step-by-step explanation:

inverse operation of addition