C. The test statistic (t |(please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.)

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C. The test statistic (t
|(please
show your answer to 3 decimal places.)
d. The p-value =
(Please show your
answer to 4 decimal places.)
Transcribed Image Text:C. The test statistic (t |(please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.)
It takes an average of 13.4 minutes for blood to begin
clotting after an injury. An EMT wants to see if the
average will decline if the patient is immediately told
the truth about the injury. The EMT randomly
selected 47 injured patients to immediately tell the
truth about the injury and noticed that they averaged
12.2 minutes for their blood to begin clotting after
their injury. Their standard deviation was 5.24
minutes. What can be concluded at the the a = 0.05
level of significance?
Transcribed Image Text:It takes an average of 13.4 minutes for blood to begin clotting after an injury. An EMT wants to see if the average will decline if the patient is immediately told the truth about the injury. The EMT randomly selected 47 injured patients to immediately tell the truth about the injury and noticed that they averaged 12.2 minutes for their blood to begin clotting after their injury. Their standard deviation was 5.24 minutes. What can be concluded at the the a = 0.05 level of significance?
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