According to actuarial tables, life spans in the United States are approximately normally distributed with a mean of abo

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According To Actuarial Tables Life Spans In The United States Are Approximately Normally Distributed With A Mean Of Abo 1 (41.44 KiB) Viewed 15 times

According to actuarial tables, life spans in the United States are approximately normally distributed with a mean of about 74 years and a standard deviation of about 17 years. Complete parts (a) and (b) below. Click here for page 1 of the Areas under the Normal Curve Table Click here for page 2 of the Areas under the Normal Curve Table (a) Find the probability that a randomly selected person lives less than 84 years. The probability is %. (Type an integer or decimal rounded to the nearest tenth as needed.) (b) Find the probability that a randomly selected person lives more than 64 years. The probability is %. (Type an integer or decimal rounded to the nearest tenth as needed.)