I want to test $H _ { 0 } : p = .4$ vs. $H _ { \mathrm { a } } : p \neq .4$ using a test of hypothesis. If I concluded that $p$ is $.4$ when, in fact, the true value of $p$ is not $.4$, then I have made a______
A) Type I error
B) Type II error
C) Type I and Type II error
D) correct decision

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The Answer of I want to test $H _ { 0 } : p = .4$ vs. $H _ { \mathrm { a } } : p \neq .4$ using a test of hypothesis. If I concluded that $p$ is $.4$ when, in fact, the true value of $p$ is not $.4$, then I have made a______
A) Type I error
B) Type II error
C) Type I and Type II error
D) correct decision

I Want to Test H0:p=.4H _ { 0 } : p = .4H0​:p=.4

I Want to Test $H _ { 0 } : p = .4$