The number of automobiles sold weekly at a certain car dealership is a random variable with expected value 16. Give an upper bound to the probability that during the next week the sales exceed 18 automobiles

Cdoes not have two variables

Number 5 is 50 degreesnumber 6 is 45 degreesnumber 7 is 60 degreesnumber 8 is 45 degrees

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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.