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22 August, 03:11

Hacksaw's Boats of St. Lucia takes tourists on a daily whale/dolphinwatch cruise. Their brochure claims an 80% chance of siting a dolphinor a whale, and you can assume the sightings from day to day areindependent. (a) If you take the dolphin/whale watch cruise on two consecutivedays, what is the probability you see a dolphin or a whale onboth days?

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  1. 22 August, 03:48
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    The probability you see a dolphin or a whale on both days is 0.64

    Step-by-step explanation:

    Consider the provided information.

    It is given that the brochure claims an 80% chance of siting a dolphin or a whale.

    The provided claims can be written as: 80% or 0.80

    Let say first day you see a dolphin or a whale and same happen on the next day.

    Thus, the probability is:

    0.80 * 0.80 = 0.64

    Probability of see them on both days is 0.64

    Hence, the probability you see a dolphin or a whale on both days is 0.64
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