An automaker states that its cars equipped with electronic fuel injection and computerized engine controls will start on the first try (hot or cold) 99 percent of the time. A survey of 100 new car owners revealed that 3 had not started on the first try during a recent cold snap.
a) At α=0.025 does this demonstrate that the automaker’s claim is incorrect?
b) Calculate the p – value and interpret it. Hint : Calculate the cumulative binomial probability