F - C mathxl.com/Student/Player Test.aspx?testld=230092986 Math 202 Online - Summer 2021 (1) Sarah Andrezywski & Quiz: Quiz 3 0 Question 2 Score: 0 of 1 point According to a report, the mean of monthly cell phone bills was $49.85 three years ago. A researcher suspects that the mean of monthly cell phone bills is less today. (a) Determine the null and alternative hypotheses. (b) Explain what it would mean to make a Type I error. (c) Explain what it would mean to make a Type II error. (a) State the hypotheses Ho V V s (Type integers or decimals. Do not round.) (b) Explain what it would mean to make a Type I error. Choose the correct answer below. O A. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is less than $49.85, when in fact the mean of the bill is less than $49 85. O B. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is different from $49.85, when in fact the mean of the bill is $49.85, O C. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is different from $49.85, when in fact the mean of the bill is different from $49.85. O D. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is less than $49.85, when in fact the mean of the bill is $49.85. (c) Explain what it would mean to make a Type II error. Choose the correct answer below. O A. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is different from $49.85, when in fact the mean of the bill is different from $49.85. Click to select your answer(s) StatCrunch Time Remaining: 0 SAMSUNG