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

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Mabbage asked Sep 12, 2023

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

Mathematics
high-school

Mabbage asked Sep 12, 2023

by Mabbage

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22 votes

Answer:

0.025

Explanation:

PinkFloyd answered Sep 12, 2023

by PinkFloyd

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19 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 %

Dmitry Zagorulkin answered Sep 18, 2023

by Dmitry Zagorulkin

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