Answer:
D. 7.29.
Step-by-step explanation:
For a Normal Distribution:
Q1 = mean - (0.675) * standard deviation
= 8.5 - 0.675*1.8
= 7.285.
The answer in an improper fraction is
47/36
As a mixed number, it is 1 11/36
Hope you become an expert at this soon :)
Answer:
Solution By Gauss jordan elimination method
x = 3, y = 2 and z = 4
So 0.25 is essentially 25/100. Divide 25 from the top and bottom to get 1/4