Question: I need help with examples for these two questions: 1. Hollow is proud of their energy saving program. A sample of 40 houses reveals an

I need help with examples for these two questions:

1. Hollow is proud of their energy saving program. A sample of 40 houses reveals an average saving of 47.5 kilowatt hours per week with a standard deviation of 55. Find the t score for a 90% confidence limit.

2. Hollow is proud of their energy saving program.A sample of40housesreveals an average saving of47.5kilowatt hours per week with astandard deviation of55.Basedonthe t score for a90%confidence limit,calculate90%confidence limitaround your best estimate of the average savings.

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