Answer:
7x+3y
Step-by-step explanation:
Hope this helps :)
Answer:
The minimum sample size that should be taken is 62.
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 the margin of error M as such

In which
is the standard deviation of the population and n is the size of the sample.
If we want to be 90% confident that the sample mean is within 1 word per minute of the true population mean, what is the minimum sample size that should be taken
This is n when
. So





The minimum sample size that should be taken is 62.
Answer:
I got 4 hours and 16 minutes
Step-by-step explanation:
I divided the amount of money he has ($26) to the amount it takes to rent for one hour ($6.25). To make it more simple you could just say 4 hours worth of rent.
Y=-2/3x+300
the y intercept is 300 and the slope is -2/3
y=mx+b
Answer:
it would be 21
the only difference is that one is a negative and the other is a positive. The absolute value is the distance the number is from 0 on the number line.
hope i helped :)