Answer:
Yes!
Step-by-step explanation:
Because it can comply with five and 15 Complies with five
Answer:
2^4=16
Hope i helped
Answer:
There isn’t a property for subtraction or division but there is for multiplication and addition. It’s called the commutative property.
Step-by-step explanation:
Answer:
A sample size of at least 87 will be needed.
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.
In this problem, we have that:
So
A sample size of at least 87 will be needed.
80 minutes or 1 hour and 20 minutes. 5 x 2 = 10. If it takes 40 minutes for 5 miles, than 40 x 2 = 80.
