Question

Before a beach is declared safe for swimming, a test of the bacteria count in the water is conducted with the null and alternative hypotheses formulated as
H0: Bacteria count is less than or equal to the specified upper limit for safety
H1: Bacteria count is more than the specified upper limit for safety
a. What are type I and type II errors in this case?
b. Which error is more costly?
c. In the absence of any further information, which standard value will you recommend for α?


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  • CreatedJune 03, 2015
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