Labor Day Travel Costs. The American Automobile Association (AAA) reported that families planning to travel over the Labor Day weekend would spend an average of 749 . Assume that the amount spent is normally distributed with a standard deviation of 225. a. What is the probability of family expenses for the weekend being less than 400 ? b. What is the probability of family expenses for the weekend being 800 or more? c. What is the probability that family expenses for the weekend will be betwe

a survey conducted by the american automobile association aaa showed that a family of four spends an average of 21560 per day while on vacation suppose a sample of 64 families of four vacati 31389

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