You are collecting data on what proportion of Americans have owned pets in their lifetime. Using a 1,327 -person sample with a sample proportion of .72, calculate a 90% confidence interval based on your sample.

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60