The shares of the U.S. automobile market held in 1990 by GeneralMotors, Japanese manufacturers, Ford, Chrysler, and othermanufacturers were, respectively, 34%, 32%, 19%, 9%, and 6%.Suppose that a new survey of 1,000 new-car buyers shows thefollowing purchase frequencies: GM Japanese Ford Chrysler Other 397259 231 80 33 (a) Show that it is appropriate to carry out achi-square test using these data. Each expected value is ≥ (b) Testto determine whether the current market shares differ from those of1990. Use α = .05. (Round your answer to 3 decimal places.) x2 H0 .Conclude current market shares from those of 1990.
