Answer:
80
Step-by-step explanation:
Answer:
No, because z-statistics lies within the critical region.
Step-by-step explanation:
The z value is calculated to determine whether the null hypothesis should be accepted or rejected. The null hypothesis is rejected when the z-value lies outside the critical region. The critical region is determined by the sample data.
Answer:

Step-by-step explanation:
Assuming We want to evaluate

When y=6 and z=3.
We substitute to get:

We multiply to get:

We simplify the denominator to get:

Reduce the first fraction:

Add the numerator and keep one denominator for they are like fractions

Write as a mixed number:

Answer:
14, 12
Step-by-step explanation:
the first is right I think
r+p=28 can also be written as 28-p=r
so 28-14=14
and 28-16=12
hopefully that works
Answer:
its already in simplest form
Step-by-step explanation: