For each of the following questions, determine which kind ofprediction confidence interval is appropriate.
a). Predict the humidity level in thisgreenhouse tomorrow when we set the temperature level at 31 °C?
b). Predict how much do familiesspend, on the average, on meals? Suppose the family income is$50,000
c). Predict how many kilowatt-hours ofelectricity will be consumed in September by commercial andindustrial users in the Twin Cities service area, given that theindex of business activity for area remains at the level ofAugust?
d). Predict how many kilowatt-hours ofelectricity will be consumed daily on average in September (30days) by commercial and industrial users in the Twin Cities servicearea, given that the index of business activity for area remains atthe level of August 31?
