7 Hours on Average
add up all the hours and you get 35
then divide 35 by the number of given hours which is 5
35/5 = 7
so the average amount of hours slept was 7
It's B. Since the slope is -8/1 x. Slope is rise/run. The other answers doesn't make sense since the x is put in a different place.
Answer:
A sample size of at least 737 specimens is required.
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 width 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 737 specimens is required.
I don't know mark as branliest please please
Answer:
Step-by-step explanation:
1. Appointment of officers
The officers have a hierarchy, so order is important.
We must choose the number of permutations.
2. Appointment of committee
Any five of the 14 members can be appointed to the Planning Committee.
The order of appointment doesn't matter, so we must choose the number of combinations.