A bowl contains two red balls, two white balls, and a fifth ball that is
either red or white. Let p denoted the probability of drawing a red ball
from the bowl. We shall test the simple null hypothesis H0: p = 3/5 against
the sample alternative hypothesis H1: p = 2/5. Draw four balls at random
from the bowl, one at a time and with replacement. Let X equal the number of
red balls drawn.
(a) Define a critical region C for this test in terms of X.
(b) For the critical region C defined in part(a), find the values of α and β.
題目是看懂了，但完全不知道怎麼解題目 QQ
不知道有沒有高手可以引導我，看到這類題目該怎麼下手，並解題給我看
謝謝！！！
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