ajacobsen
04.03.2020 •
Mathematics
A population is normally distributed with mean 18 and standard deviation 1.7. (a) Find the intervals representing one, two, and three standard deviations of the mean.
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Ответ:
Interval within 1 standard deviation: (16.3,19.7)
Interval within 2 standard deviation: (14.6, 21.4)
Interval within 3 standard deviation: (12.9, 23.1)
Step-by-step explanation:
We are given the following in the question:
Population mean,
= 18
Standard deviation,
= 1.7
We have to find the following intervals:
Interval within 1 standard deviation:
Interval within 2 standard deviation:
Interval within 3 standard deviation:
Ответ:
then sub that result for x in h(x)
j(2)=-2(2)
j(2)=-4
now sub-4 for x in h(x)
h(-4)=5(-4)-3
h(-4)=-20-3
h(-4)=-23
answer is -23