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For each of the following questions, determine which kind of prediction confidence interval is appropriate. a)....

For each of the following questions, determine which kind of prediction confidence interval is appropriate.

a). Predict the humidity level in this greenhouse tomorrow when we set the temperature level at 31 °C?

b). Predict how much do families spend, on the average, on meals? Suppose the family income is $50,000

c). Predict how many kilowatt-hours of electricity will be consumed in September by commercial and industrial users in the Twin Cities service area, given that the index of business activity for area remains at the level of August?

d). Predict how many kilowatt-hours of electricity will be consumed daily on average in September (30 days) by commercial and industrial users in the Twin Cities service area, given that the index of business activity for area remains at the level of August 31?

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