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'NEED HELP WITH B AND C UNLESS YOU THINK I MADE AN ERROR ON A. RIGHT...
'NEED HELP WITH B AND C UNLESS YOU THINK I MADE AN ERROR ON A. RIGHT CLICK ON THE IMAGE AND SELECT "OPEN IMAGE IN A NEW TAB" FOR A LARGER CLEARER IMAGE. WILL UPVOTE ANY HELP, THANKS
According to a report, the mean of monthly cell phone bills was $48.01 three years ago. A researcher suspects that the mean of monthly cell phone bills is higher 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 Il error. (a) State the hypotheses. HO = $48.01 H # $ 48.01 (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 higher than $48.01, when in fact the mean of the bill is higher than $48.01. OB. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is less than $48.01, when in fact the mean of the bill is $48.01. OC. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is less than $48.01, when in fact the mean of the bill is less than $48.01. OD. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $48.01, when in fact the mean of the bill is $48.01. (c) Explain what it would mean to make a Type II error. Choose the correct answer below. O A. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $48.01, when in fact the mean of the bill is higher than $48.01. OB. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is higher than $48.01, when in fact the mean of the bill is higher than $48.01. OC. The sample evidence d the researcher to believe the mean of the monthly cell phone bill is higher than .01, when fact the mean of the bill is $48.01. OD. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is less than $48.01, when in fact the mean of the bill is less than $48.01.
Answers
Solution:
a)
H0 :
= $ 48.01
H1 :
b)
Type I error is
Option D. is correct.
c)
Type II error is
Option B. is correct
We were unable to transcribe this imageWe were unable to transcribe this imageOD. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $48.01, when in fact the mean of the bill is $48.01.We were unable to transcribe this image
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