According to a report. the standard deviation ol monthly cell phone bills was $49.93 three years ago. A researcher suspects that the standard deviation of monthly cell phone bills is highertoday. la} Determine the null and alternative hypotheses. lb} Explain what it would mean to make a Type I error. lo} Explain what it would mean to make a Type II error. [a] State the hypothEE. HD: Y Y $ H1: " V 5 {Type integers or decimals. Do not round.) {b} Explain what it would mean to maloe a Type lenor. Choose the correct answer lielow. O A. The sample evidence led the researcher to believe the standard deviation otthe monthly cell phone bill is less than $49.93. when in fact the standard deviation ot the bill is $49.98. 0 B. The sample evidence led the researcher to believe the standard deviation ofthe monthly cell phone bill is higher than $49.93. when in fact the standard deviation of the bill is $49.93. 0 C. The sample evidence did not lead the researcher to believe the standard deviation ofthe monthly cell phone bill is less than $49.93. when in fact the standard deviation olthe bill is less than $49.93. 0 D. The sample evidence did not lead the researcher to believe the standard deviation ofthe monthly cell phone bill is higher than $49.93. when in tact the standard deviation of the bill is higher than $49.93. {cl Explain what it would mean to make a Type II error. Choose the correct answer below. 0 A. The sample evidence led the researcher to believe the standard deviation ofthe monthly cell phone bill is higher than $49.93. when in fact the standard deviation of the bill is higher than $49.93. 0 B. The sample evidence did not lead the researcher to believe the standard deviation ofthe monthly cell phone bill is less than $49.93. when in fact the standard deviation olthe bill is less than $49.93. 0 C. The sample evidence led the researcher to believe the standard deviation olthe monthly cell phone bill is higher than $49.93. when in fact the standard deviation of the bill '5 $49.93. 0 D. The sample evidence did not lead the researcher to believe the standard deviation ofthe monthly cell phone bill '5 higher than $49.93. when in tact the standard deviation of the bill is higher than $49.93