Question

• You go to 7-11 to grab something to eat. They sell hotdogs for $2.99/piece, and cheese pizza for $3.49/slice.
• You don’t like to be ripped off.
• The average price for hotdog: M = 1.99, SD = .49
• The average price for a slice of cheese pizza: M = 2.89, SD = .39
• What's the z score for a piece of hotdog (round to 2 decimal places).
• What is the z score for a slice of cheese pizza (round to 2 decimal places)?
• Which of these is less of a rip off? Hotdog? Or Pizza?

Answer 1