Suppose a normal distribution has a mean of 50 and a standard deviation of 3. What is P(x≤44)?

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asked Apr 28, 2023 235k views

4 votes

Suppose a normal distribution has a mean of 50 and a standard deviation of
3. What is P(x≤44)?

Mathematics
high-school

Juergen Riemer asked

by Juergen Riemer

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2 Answers

5 votes

Answer:

0.025

Explanation:

Hew Wolff answered Apr 28, 2023

by Hew Wolff

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3 votes

Answer:

.0228

Explanation:

44 is two standard deviations below the mean z-score = -2

look up z-score = -2 in z-score table

= .0228 or 2.28 %

Lazy Badger answered May 4, 2023

by Lazy Badger

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