Question

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?

Answer 1

The probability you see a dolphin or a whale on both days is 0.64

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