question archive Ralphs Gas Station is running a giveaway promotion
Ralphs Gas Station is running a giveaway promotion
Subject:StatisticsPrice: Bought3
Ralphs Gas Station is running a giveaway promotion. With every fill-up of gasoline, Ralph gives out a lottery ticket which has a 25% of chance of being a winningticket. Customers who collect four winning lottery tickets are eligible for the BIG SPIN for large payoffs. What is the probability of qualifying for the big spin if acustomer fills up 7 times?
