In: Statistics and Probability
Phonesmart is having a sale on Bananas. If you buy one Banana at full price, you get a second at half price. When couples come in to buy a pair of phones, sales of Apricots and Bananas are equally likely. Moreover, given that the first phone sold is a Banana, the second phone is twice as likely to be a Banana rather than an Apricot. What is the probabilty that a couple buys a pair of Bananas?
Please I need a thorough detailed explaination of the answer. Thank you !