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The relative frequency distribution of the number of phobias reported by a hypothetical sample of 500...

The relative frequency distribution of the number of phobias reported by a hypothetical sample of 500 college students is given as follows. 0–2 0.56 3–5 0.25 6–8 0.11 9–11 0.06 12–14 0.02 (a) What is the probability that a college student expresses fewer than three phobias? (b) What is the probability that a college student expresses more than eight phobias? (c) What is the probability that a college student has between 3 and 11 phobias?

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Answer #1

(a) What is the probability that a college student expresses fewer than three phobias?

Answer:0.56

(b) What is the probability that a college student expresses more than eight phobias?

Answer: 0.08

(c) What is the probability that a college student has between 3 and 11 phobias?

Answer:0.42

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