1. A consumer survey indicates that the average household spends µ = $185 on groceries each week. The distribution of spending amount is approximately normal with a standard deviation of σ = $25....

1. A consumer survey indicates that the average household spends µ = $185 on groceries each week. The distribution of spending amount is approximately normal with a standard deviation of σ = $25. Based on this distribution.

B. What proportion of the population spends more than $250 per week on groceries?