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Assume that weekly sales volume for a lumber company is normally distributed, with a mean of 1,238 units of lumber sold per week and a

Assume that weekly sales volume for a lumber company is normally distributed, with a mean of 1,238 units of lumber sold per week and a standard deviation of 182 units of lumber. Be sure to convert to z-scores and use the appropriate 'pnorm' command

What is the probability that your company sell more than 1500 units of lumber?

What is the probability that your company sell less than 1000 units of lumber?

What is the probability that your company sell between than 900 and 1100 units of lumber?

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