Answer:
0.033 is the probability that a teenage boy has a cholesterol level greater than 225.
Step-by-step explanation:
The following information is missing in the question:
Mean, μ = 170
Standard Deviation, σ = 30
Using the given information, we may solve the question as:
We are given that the distribution of distribution of cholesterol levels in teenage boys is a bell shaped distribution that is a normal distribution.
Formula:
a) P( cholesterol level greater than 225)
P(x > 225)
Calculation the value from standard normal z table, we have,
0.033 is the probability that a teenage boy has a cholesterol level greater than 225.
Answer:
It's 97
Step-by-step explanation: Please brainliest if correct!
Answer:
1/√2
Approximate numerical value
1/√2 = 0.707106781186548
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Rationalize the denominator
(1/√2) * (√2 / √2) = √2 / 2