Answer:
m = 160
p = 90
w = 10
z = 80
y = 10
Step-by-step explanation:
Answer:
The first and third is correct.
Step-by-step explanation:
I'm not a expert but I know its right.
We are looking for the Zo score that corresponds to the 30th percentile.
We use the table for the standard normal distribution.
From P (Z <Zo) = 0.3 we search for Zo.
Then we look in the table for the value of Zo that corresponds to 0.3.
Hence, the approximate value is -0.53.
The option is the third