A South African manufacturer of BMW cars offers a model in one of three colors: Blue, Red, or Black. In his report, the manufacturer indicated that of the first 1000 cars sold, 400 were of color Blue. With this information from the manufacturer, perform a test at a = 1% and conclude whether or not the customers do have more preference for BMW cars which have Blue color? Show all necessary steps and justify your answer.

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10.STATISTICAL INFERENCE
Quesdtion 3 d

d)
A South African manufacturer of BMW cars offers a model in one of three colors: Blue, Red,
or Black. In his report, the manufacturer indicated that of the first 1000 cars sold, 400 were of
color Blue. With this information from the manufacturer, perform a test at a = 1% and conclude
whether or not the customers do have more preference for BMW cars which have Blue color?
Show all necessary steps and justify your answer.
Transcribed Image Text:d) A South African manufacturer of BMW cars offers a model in one of three colors: Blue, Red, or Black. In his report, the manufacturer indicated that of the first 1000 cars sold, 400 were of color Blue. With this information from the manufacturer, perform a test at a = 1% and conclude whether or not the customers do have more preference for BMW cars which have Blue color? Show all necessary steps and justify your answer.
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