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an average fuel effic 9. An auto manufacturer claims that the autos it sells hav

ID: 2946450 • Letter: A

Question

an average fuel effic 9. An auto manufacturer claims that the autos it sells have of 35 mpg. A consumer group believes that the true fi group obtains 5 of the company's autos and determines an avera significant? The company runs a simulation by rand a fleet of cars of known 35 mpg efficiency and calculating the resultin show that 32 was possible. The company makes the following dotplot. re is lower. The consumer ciency of 32 mpg. Is this lomly picking 5 cars 160 times from the resulting averages to show that 32 was possible. The company makes the following dotplnt, 31 3233 34 35 36 37 Fuel Economy (mpg) Does the company's argument seem reasonable given this dotplot? (A) Yes, because the dotplot shows that anything is possible in the real world. (B) Yes, because the dotplot shows that every average was not 35. (C) Yes, because the dotplot shows that 32 mpg is a possible average of 5 cars from a fleet of cars of known 35 mpg efficiency. (D) No, because the dotplot shows that anything is possible in the real world. (E) No, because the possibility of picking 5 cars with an average of 32 mpg or lower om a fleet of cars of known 35 mpg efficiency is very small, only 4 out of l or 0.025

Explanation / Answer

here option E is correct ;as it is possible but because the possiibity of getting that sample is very low; therefore company claim is doubtful