Determining the test of the distributor claim

Reference no: EM131767885

Question: A large distributor of gasoline claims that 60% of all cars stopping at their service stations choose regular unleaded gas and that premium and supreme are each selected 20% of the time. To investigate this claim, researchers collected data from a random sample of drivers who put gas in their vehicles at the distributor's service stations in a large city. The results were as follows:

Carry out a test of the distributor's claim at the 5% significance level.

Reference no: EM131767885

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