2 composite numbers having 8 as factor:
8, 16, 24, 32, 40, 80, 800, 120 etc
Answer:
a7= 36
Step-by-step explanation:
a2=16
a3=20
a4=24=4×(n+2)=4×6
a7=36
Answer:
We need an SRS of scores of at least 153.
Step-by-step explanation:
We have that to find our
level, that is the subtraction of 1 by the confidence interval divided by 2. So:

Now, we have to find z in the Ztable as such z has a pvalue of
.
So it is z with a pvalue of
, so 
Now, find M as such

In which
is the standard deviation of the population and n is the size of the sample.
How large an SRS of scores must you choose?
This is at least n, in which n is found when
. So







Rounding to the next whole number, 153
We need an SRS of scores of at least 153.
Answer: 20
explanation: simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers
Answer:
1/8
Step-by-step explanation:
1/2*1/4=1/8
We just need to multiply 1/2 and 1/4 and that equals 1/8