What is 50% of 80 Part ___ =___ Percent whole ___ =100 Percent
1 answer:
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Answer:
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 500
Standard Deviation, σ = 100
We are given that the distribution of SAT score is a bell shaped distribution that is a normal distribution.
Formula:
We have to find the value of x such that the probability is 0.64
P(X<x) = 0.64
Calculation the value from standard normal z table, we have,
Look at the picture.
The area of a parallelogram:
The area of a triangle:
The area of the polygon:
[texA=A_P+A_T\\\\A=15+12.5=27.5\ u^2[/tex]
Answer: D. 27.5 square inches /inches?/ I think, correct is units
