Question: Our regression analysis estimates that the expected sales is $2.5M and Sy,x=$0.5M. What is the chance of sales being $2.5M $0.5M ? the answer is

Our regression analysis estimates that the expected sales is $2.5M and Sy,x=$0.5M. What is the chance of sales being $2.5M $0.5M ?

the answer is 0.6828

and the feedback is the following

There is 68.2% chance that the actual sales will be one standard error ($0.5M) away from the expected sales($2.5)

There is 95.4% chance that the actual sales will be two standard errors ($1M) away from the expected sales($2.5

There is 99.7% chance that the actual sales will be three standard errors ($1.5M) away from the expected sales($2.5) )

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