Here is the original question:

[Consider a Bluetooth scatternet consisting of 2 piconets. What is the probability of a collision between packets of the two piconets? Assume nodes are not using CSMA. Remember that a successful transmission requires both a successful polling message to be sent from the master to slave, and then a successful message sent from slave to master. Assume there are 80 frequencies possible. All piconets constantly have packets they are trying to send and they are not using CSMA.]

Here's what I actually need help with:

Repeat Problem 12.2, now with 10 piconets in the scatternet. Find the probability that the two-way communication between one master and slave are successful. Assume all piconets have packets they are trying to send.