Test scores in a Test were normally distributed with a mean of 75 and a standard deviation of 10. Carl scored 90 in the Test . W
1 answer:
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Answer:
Therefore values of a and b are
Step-by-step explanation:
Rewrite in the form
where a and b are integers,
To Find:
a = ?
b = ?
Solution:
..............Given
Which can be written as
Adding half coefficient of X square on both the side we get
...................( 1 )
By identity we have (A - B)² =A² - 2AB + B²
Therefore,
Substituting in equation 1 we get
Which is in the form of
On comparing we get
a = 3 and b = 2
Therefore values of a and b are
So, if we take 68.73 to be the 100%, what is 12 in percentage off of it?
seems Audryn is being generous, she probably got the silverware and the maple leaves tablecloth.
seems Audryn is being generous, she probably got the silverware and the maple leaves tablecloth.