Is Y=9/3x+2 proportional or no nonprotional
1 answer:
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Answer:
a) 18 cm
b) 18
c) 3
The Earl's height is unusual because the z score does not lies in the given range of usual i.e -2 and 2
Step-by-step explanation:
Given:
Mean height, μ = 174 cm
Standard deviation = 6 cm
height of Earl, x = 192 cm
a) The positive difference between Earl height and the mean = x - μ
= 192 - 174 = 18 cm
b) standard deviations is 18
c) Now,
the z score is calculated as:
or
or
z = 3
The Earl's height is unusual because the z score does not lies in the given range of usual i.e -2 and 2
Answer:
1 % decrease
Step-by-step explanation:
The percent of decrease time can be written as the expression Now, we convert the fraction into a decimal:
We can convert this decimal into a percentage: 0.01*100 = 1%.
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