Question: 2) these data can be approximated quite well by a N(3.4, 3.1) model. Economists become alarmed when productivity decreases. According to the normal model what

2) these data can be approximated quite well by a N(3.4, 3.1) model. Economists become alarmed when productivity decreases. According to the normal model what is the probability that the percent change in worker output per hour from the previous quarter is more than 0.4 standard deviations below the mean? Question 3) What is the probability that the percent change in worker output from the previous quarter is between -1.405 and 5.88. (Use the normal model mentioned at the beginning of question 2)

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