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

Answer:
Trapezium:
perimeter= 232
area= 2052
Triangle:
perimeter= 221
area= 4088
Step-by-step explanation:
Answer:
3rd option
Step-by-step explanation:
- 1 (
)
- 1 is multiplying the complere fraction , not just 1 part of it , so
= - 
Number of tickets sold on
Friday = x tickets
Monday = (1/2) x
Wednesday = x - 32