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The length of a phone conversation is normally distributed with a mean of 4 minutes and a standard deviation of 0.6 minutes. What is the probability that a conversation lasts longer than 5 minutes?
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The length of a phone conversation is normally distributed with a mean of 4 minutes and a standard deviation of 0.6 minutes. What is the probability that a conversation lasts longer than 5 minutes?

User EricM
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1 Answer

4 votes
that the deviation last 0.9 minutes
User Stellar Sword
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