Answer:
Z-score = 1.18
Step-by-step explanation:
The z-score measures how many standard deviations from the mean a data is
Therefore the z score is the quotient between the difference between a value and the mean and the standard deviation
Where
μ is the mean, x is a data of the population and 
is the standard deviation
In this case
Then the z-score is
The answer should be X < 3 !
Explanation:
You first minus 5 to the other side which gave you -3 . Then you minus the 5x to the other side which gave you -1. After than just need to divide -1 to both side, switch the > and you’ll get the answer! Hope the explanation makes sense.
Answer:
The diameter is 47
Step-by-step explanation:
Given
--- Circumference
Required
Determine the diameter (d)
The circumference of a circle is:
Make d the subject
Answer:
in total there are 80 subjects. I don't know what class width is though.
Step-by-step explanation:
Look at the graph
31.
There's a pattern, +1, +2,+3,+4 ect.
