John is collecting a set of 4 Native Birds cards, from Oatie Flakes cereal packets.
The manufacturers of Oatie Flakes found that some of their machines malfunctioned and 20% of the packets of cereal contain 2 Native Birds cards instead of 1 card.
In John’s class there are 22 students (including John) trying to collect the Native Bird card set.
1. After a while 20 of the 22 students in John’s class have only one card left to get for the complete set.
a) Use theoretical probability to predict how many of these 20 students will complete their set with the next packet of Oatie Flakes.
b)Use theoretical probability to predict how many of these 20 students will complete their set given that the next packet is a 2-card packet of Oatie Flakes.
Can someone please show me how to do this?