11. A researcher runs a regression of monthly excess returns on Z-Tech company on excess returns for the Russell 1000 (as a market return proxy). The regression output indicates that the intercept estimate equals -0.0026, with a standard error of 0.0018, and the slope estimate equals 0.875 with a standard error of 0.231. (a). What is regression-based estimate of the market beta for Z-Tech? (b). What is the regression-based estimate of the alpha for Z-Tech? (c). Can the null hypothesis that the true market beta for Z-Tech equals zero be rejected at the 95% confidence level? (d). Can the null hypothesis that the true alpha for Z-Tech equals zero be rejected at the 95% confidence level? 11. A researcher runs a regression of monthly excess returns on Z-Tech company on excess returns for the Russell 1000 (as a market return proxy). The regression output indicates that the intercept estimate equals -0.0026, with a standard error of 0.0018, and the slope estimate equals 0.875 with a standard error of 0.231. (a). What is regression-based estimate of the market beta for Z-Tech? (b). What is the regression-based estimate of the alpha for Z-Tech? (c). Can the null hypothesis that the true market beta for Z-Tech equals zero be rejected at the 95% confidence level? (d). Can the null hypothesis that the true alpha for Z-Tech equals zero be rejected at the 95% confidence level