Barny

Drop this into Excel to give you the probability of getting exactly 3 successes from 5 trials with a 35% chance of success on each trial.

=BINOM.DIST(3,5,0.35,FALSE)

You'll get 18.11%

If you wanted to know the chance of getting up to 3 successes (not exactly 3 successes) replace the FALSE with TRUE.

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Pixie

"It's worth remembering that profit isn't profit until it's spent off the racecourse." -- Crash