document.write( "Question 445850: 1.Karen wants to perform a test of hypothesis using α = 0.05 to test H0: μ = 73 and Ha: μ ≠ 73. What value of z should she use to form the rejection region(s)?
\n" );
document.write( " A z < -1.28
\n" );
document.write( " B z > 1.28
\n" );
document.write( " C z < -1.645
\n" );
document.write( " D z > 1.645
\n" );
document.write( " E z < -2.33
\n" );
document.write( " F z > 2.33
\n" );
document.write( " G z < -1.645 or z > 1.645
\n" );
document.write( " H z < -1.96 or z > 1.96
\n" );
document.write( " I z < -2.575 or z > 2.575
\n" );
document.write( " J none of the above\r
\n" );
document.write( "\n" );
document.write( "2Harry wants to perform a test of hypothesis using α = 0.1 to test H0: μ ≤ 73. What value of z should he use to form
\n" );
document.write( "the rejection region(s)?
\n" );
document.write( " A z < -1.28
\n" );
document.write( " B z > 1.28
\n" );
document.write( " C z < -1.645
\n" );
document.write( " D z > 1.645
\n" );
document.write( " E z < -2.33
\n" );
document.write( " F z > 2.33
\n" );
document.write( " G z < -1.645 or z > 1.645
\n" );
document.write( " H z < -1.96 or z > 1.96
\n" );
document.write( " I z < -2.575 or z > 2.575
\n" );
document.write( " J none of the above\r
\n" );
document.write( "\n" );
document.write( "3.Adam has performed a hypothesis test and concluded that his p-value is .0175. Assume α = .01. Should he
\n" );
document.write( "reject his null hypothesis?
\n" );
document.write( " A reject
\n" );
document.write( " B do not reject\r
\n" );
document.write( "\n" );
document.write( "4. Shirley has performed a hypothesis test and concluded that her p-value is .0175. Assume α = .05. Should she
\n" );
document.write( "reject her null hypothesis?
\n" );
document.write( " A reject
\n" );
document.write( " B do not reject\r
\n" );
document.write( "\n" );
document.write( "5.In general, what is the value of having a p-value?
\n" );
document.write( " A it lets the user decide what alpha to use, and then decide whether to reject (or not reject) the null hypothesis
\n" );
document.write( " B it forces the user to use a given alpha when deciding whether to reject (or not reject) the null hypothesis
\n" );
document.write( " C it has no particular value; it is just a confusion factor
\n" );
document.write( " D it lets the user decide what alpha to use, and then choose a confidence level
\n" );
document.write( " E none of the above \n" );
document.write( "
Algebra.Com's Answer #307010 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1.Karen wants to perform a test of hypothesis using α = 0.05 to test H0: μ = 73 and Ha: μ ≠ 73. What value of z should she use to form the rejection region(s)? \n" ); document.write( "A z < -1.28 \n" ); document.write( "B z > 1.28 \n" ); document.write( "C z < -1.645 \n" ); document.write( "D z > 1.645 \n" ); document.write( "E z < -2.33 \n" ); document.write( "F z > 2.33 \n" ); document.write( "G z < -1.645 or z > 1.645 \n" ); document.write( "H z < -1.96 or z > 1.96 \n" ); document.write( "I z < -2.575 or z > 2.575 \n" ); document.write( "J none of the above \n" ); document.write( "---- \n" ); document.write( "Ans: H \n" ); document.write( "====================================================\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "2Harry wants to perform a test of hypothesis using α = 0.1 to test H0: μ ≤ 73. What value of z should he use to form \n" ); document.write( "the rejection region(s)? \n" ); document.write( "A z < -1.28 \n" ); document.write( "B z > 1.28 \n" ); document.write( "C z < -1.645 \n" ); document.write( "D z > 1.645 \n" ); document.write( "E z < -2.33 \n" ); document.write( "F z > 2.33 \n" ); document.write( "G z < -1.645 or z > 1.645 \n" ); document.write( "H z < -1.96 or z > 1.96 \n" ); document.write( "I z < -2.575 or z > 2.575 \n" ); document.write( "J none of the above \n" ); document.write( "---- \n" ); document.write( "True answer: z < -2.576 \n" ); document.write( "Your Answer: J \n" ); document.write( "========================================================== \n" ); document.write( " \n" ); document.write( "3.Adam has performed a hypothesis test and concluded that his p-value is .0175. Assume α = .01. Should he \n" ); document.write( "reject his null hypothesis? \n" ); document.write( "A reject \n" ); document.write( "B do not reject \n" ); document.write( "---- \n" ); document.write( "The p-value is greater that alpha \n" ); document.write( "Do not reject Ho. \n" ); document.write( "================================= \n" ); document.write( " \n" ); document.write( "4. Shirley has performed a hypothesis test and concluded that her p-value is .0175. Assume α = .05. Should she \n" ); document.write( "reject her null hypothesis? \n" ); document.write( "A reject \n" ); document.write( "B do not reject \n" ); document.write( "--- \n" ); document.write( "Ans: Reject Ho \n" ); document.write( "==========================\r \n" ); document.write( "\n" ); document.write( "5.In general, what is the value of having a p-value? \n" ); document.write( "A it lets the user decide what alpha to use, and then decide whether to reject (or not reject) the null hypothesis \n" ); document.write( "B it forces the user to use a given alpha when deciding whether to reject (or not reject) the null hypothesis \n" ); document.write( "C it has no particular value; it is just a confusion factor \n" ); document.write( "D it lets the user decide what alpha to use, and then choose a confidence level \n" ); document.write( "E none of the above \n" ); document.write( "--- \n" ); document.write( "B is the best answer; not perfect, but the best. \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |