Answer:
A
Step-by-step explanation:
Im not 100% sure though... i havent taken this class in 3 yrs... xD
Answer:
Z = 3
Step-by-step explanation:
In a normal distribution, the Z score that corresponds with a data point x is calculated using the formula;

For the case given, the z score will be;

It should be 6.36cm. If not ask someone smart in your class.
Answer:

Step-by-step explanation:
Considering the expression

Solution Steps:

as

so


join 
so






so


so



Therefore
