The spinner has 6 sections 2 of which are 2.

The spinner is now spun until it stops on a section numbered 2.
The probability that this happens on the nth spin is
16/243.
Find the value of n.

2 answers

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A spinner has equally sized sections, of which are red and of which are green. The spinner is spun and, at the same time, a fair coin is tossed. What is the probability that the spinner lands on green and the coin toss is heads?