If 84% of all people who do aerobics are women, find the probability if 2 people who do aerobics are randomly selected, both are women. Would you consider this event likely or unlikely to occur?

Think of it as five or above give it a shove. change the 5 or above to the right to a zero and add one to the number on the left.

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since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.