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Mathematics, 21.05.2020 15:57 exoticbunnylover123

Colored Wax & Co. sells candles with a mean burn time of 50 minutes. The company wants to test its candles' burn time against a competitor's candles. Researchers from Colored Wax & Co. randomly select 25 candles from its competitor for testing. From previous research, the staff of Colored Wax & Co. knows that σ = 12.5.

Suppose the mean burn time is actually 53 minutes. Find the possibility of a Type II error (β) and the power of the test.

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