Dr. Jekel mixes a potion to turn himself evil, which includes 20ml of pomegranate juice. But it is hard to pour the exact amount, so the amount he gets will be a normal random variable with mean 20 and variance 2. What is the probability of getting between 19 and 21ml? ОФ(1/2). O 20(1//2) – 1. - ОФ(1/2) — Ф(-1/2). O ¢(1/v2).

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Q4 Problem 2 (Multiple Choice)
Dr. Jekel mixes a potion to turn himself evil, which includes 20ml of pomegranate juice. But it is
hard to pour the exact amount, so the amount he gets will be a normal random variable with
mean 20 and variance 2. What is the probability of getting between 19 and 21ml?
О Ф(1/2).
2Ф(1//2) - 1.
ОФ(1/2) — Ф(-1/2).
O ¢ (1/v/2).
Transcribed Image Text:Q4 Problem 2 (Multiple Choice) Dr. Jekel mixes a potion to turn himself evil, which includes 20ml of pomegranate juice. But it is hard to pour the exact amount, so the amount he gets will be a normal random variable with mean 20 and variance 2. What is the probability of getting between 19 and 21ml? О Ф(1/2). 2Ф(1//2) - 1. ОФ(1/2) — Ф(-1/2). O ¢ (1/v/2).
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