Jerome runs a clothing store. To mark their anniversary, they have a promotional offer for their customers. He has kept a box with five 10% discount coupons, eight 15% discount coupons, seven 20% discount coupons, six 25% discount coupons, and
four 40% discount coupons. Every 30 minutes, one customer gets to draw a discount coupon from the box, use it on their purchase,
and then place the coupon back into the box. Jerome predicts that when a customer draws a discount coupon from box without
looking, the customer will draw a 10% discount coupon one-sixth of the time.
Which activity would best allow Jerome to test his prediction?