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For Questions 2 3 to 2 6 , refer to the following information An investment specialist claims that if one holds a portfolio that moves

For Questions 23 to 26, refer to the following information
An investment specialist claims that if one holds a portfolio that moves in the opposite direction to the market index like the S&P 500, then it is possible to reduce the variability of the portfolio's return. In other words, one can create a portfolio with positive returns but less exposure to risk.
A sample of 26 years of S&P 500 index and a portfolio consisting of stocks of private prisons, which are believed to be negatively related to the S&P 500 index, is collected. A regression analysis was performed by regressing the returns of the prison stocks portfolio (Y) on the returns of S&P 500 index (x) to prove that the prison stocks portfolio is negatively related to the S&P 500 index at a 5% level of significance. The results are given in the following EXCEL output.
\table[[,Coefficients,Standard Error,T Stat,P-value],[Intercept,4.8660,0.3574,13.6136,0.0000],[S&P,-0.5025,0.0716,-7.0186,0.0000]]
Question 23
To test whether the prison stocks portfolio is negatively related to the S&P 500 index, the appropriate null and alternative hypotheses are, respectively,
a),H0:=0 vs.H1:0
b.,H0:0 vs.H1:0
c.,H0:0 vs.H1:>0
d.,H0:0 vs.H1:=0
e. None of the above
6
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