An automobile purchased for ​$38000 is worth ​$2300 after 7 years. Assuming that the​ car's value depreciated steadily from year to​ year, what was it worth at the end of the third​ year? The value 3 years after it was purchased is

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.