[Solved] It is taken from a random sample of size n 1 = 16 normal population having an average of 75 and a standard deviation of 8. In other normal population
Question:
It is taken
from
a random sample
of
size
n
1
= 16
normal population
having an average
of
75 and a
standard
deviation
of
8.
In
other
normal population
takes
a random sample of
size
n
2
= 9;
this
population
has a mean of
70 and a
standard
deviation
of
12.
What is the probability of
\[{{\bar{X}}_{1}}-{{\bar{X}}_{2}}\]
would be greater than
four?
What is
the probability that
\[3.5\le \ {{\bar{X}}_{1}}-{{\bar{X}}_{2}}\le \ 5.5\]
?
Deliverable: Word Document 
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