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    n 1859, Charles Blondin decided to cross the Niagara Gorge on a tightrope. The rope was 340 metres long. Suppose he took steps of 0.5 metres, and each step he took was accompanied by a probability of 0.001 of falling off into the swirling waters far below. What is the probability that he would make it safely across?
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    (Original post by ritzie)
    n 1859, Charles Blondin decided to cross the Niagara Gorge on a tightrope. The rope was 340 metres long. Suppose he took steps of 0.5 metres, and each step he took was accompanied by a probability of 0.001 of falling off into the swirling waters far below. What is the probability that he would make it safely across?
    What have you tried so far?

    If A is the probability of falling off every 0.5m, what is P(not falling in 340m) in terms of A?
 
 
 
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