Question: 87 tutors couldn't help me before, so I'm trying one last time just in case someone understands and can help Please with me 12.25, 12.50,

87 tutors couldn't help me before, so I'm trying one last time just in case someone understands and can help
Please with me 12.25, 12.50, and 12.75
I uploaded pictures showing how I got answers for the first 2, but error messages for the rest
and picture of the question


Since, level of significance is given, we have to calculate critical value at first. Now, So, Type II Error when , =12 is P[Type I Error] = 0.01 = P[Rejecting Ho | H, is true] = 0.01 P[Type II Error] = P[x
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