1. A survey finds that the average British household is expected to spend £868 on holiday-related expenses during the next Christmas period. This amount covers not only gifts, but food, beverages, and decoraa. Assume the study is based onrandomly sampled 94 households throughout the U.K. with standard deviation of £162.b. Assume the study is based onrandomly sampled 24 households throughout the U.K. with standard deviation of £162Find the 90% confidence for the average British household is expected to spend on holiday-related expenses.