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distribution of adjust gross income in individual federal income tax returns shows: Income: 30-74, 75-199, more than 200 Probability: 0.315, 0.180, 0.031 1. What is the probability that a randomly chosen return shows an adjusted gross income of $30,000 or...

Two girls each weight 500 N. Ride in a car traveling at 20.0 m/s. One wears a seat belt. The other does not. In an accident the girl wearing the seat belt is brought to a stop in 0.120 seconds. The dashboard brings the other one to a stop in only 0.00800...