Question:

Let 𝑋1,𝑋2,𝑋5 be a random sample from a 𝐡𝑖𝑛(1, πœƒ) distribution, where πœƒβˆˆ(0,1) is an unknown parameter. For testing the null hypothesis 𝐻0 ∢ πœƒβ‰€ 0.5 against 𝐻1 :πœƒ>0.5, consider the two tests 𝑇1 and 𝑇2 defined as:
𝑇1: Reject 𝐻0 if, and only if, \(βˆ‘^5_{i=1}\) π‘‹π‘–=5. 
𝑇2: Reject 𝐻0 if, and only if, \(βˆ‘^5_{i=1}\) Xiβ‰₯3. 
Let 𝛽𝑖 be the probability of making Type-II error, at πœƒ=\(\frac{2}{3}\), when the test 𝑇𝑖 , 𝑖=1,2 , is used. Then, the value of 𝛽1+𝛽2 equals ________(round off to two decimal places)

Updated On: Oct 1, 2024
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Correct Answer: 1.07

Solution and Explanation

The correct answer is: 1.07 to 1.09 (approx)
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