Shurley bought a new bed and now needs to find pillows, sheets, and a comforter for it. She wants to have black
or white pillows; striped or plaid sheets; and a solid, polka-dot, or zebra-print comforter.
How many unique bedding combinations can Shurley make?

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.