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Exercise

Probabilities from the normal distribution

Since each deal Amir worked on (both won and lost) was different, each was worth a different amount of money. These values are stored in the amount column of amir_deals and follow a normal distribution with a mean of 5000 dollars and a standard deviation of 2000 dollars. As part of his performance metrics, you want to calculate the probability of Amir closing a deal worth various amounts.

Instructions 1/4
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  • 1
    • What's the probability of Amir closing a deal worth less than $7500?
    • 2
      • What's the probability of Amir closing a deal worth more than $1000?
    • 3
      • What's the probability of Amir closing a deal worth between $3000 and $7000?
    • 4
      • What amount will 75% of Amir's sales be more than?
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