Answer:
option 1 i believe
Step-by-step explanation:
just worked it out
i hope this is right and helps <3
Answer:
What ratio, and give me more details and I will come back and edit my answer.
Step-by-step explanation:
The top 15% (85th percentile) is the cutoff value

such that

where

is the corresponding cutoff for the standardized normal distribution. We have

, and so
Answer:
B
Step-by-step explanation:
M 1=21 degrees
M 3=21 degrees
M 4=159 degrees