A hospital out-patient department (OPD) wishes to know how long a patient stay inside the hospital. The computed 93% confidence interval for the mean time a patient spent inside the hospital is 60mins to 90 mins. Which of the following is the best explanation for the meaning of “93% confidence”? a. There is a 0.93 probability that a sample mean time spent inside the hospital will fall within this interval. b. Ninety-three percent of all patients stay inside the hospital within this interval. c. There is a 0.93 probability that the true standard deviation will fall within this interval. d. There is a 0.93 probability that the true mean will fall within this interval. e. There is a 0.93 probability that this interval contains, within it, the true mean.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
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A hospital out-patient department (OPD) wishes to know how long a patient stay inside the hospital. The computed 93% confidence interval for the mean time a patient spent inside the hospital is 60mins to 90 mins. Which of the following is the best explanation for the meaning of “93% confidence”?

a.

There is a 0.93 probability that a sample mean time spent inside the hospital will fall within this interval.

b.

Ninety-three percent of all patients stay inside the hospital within this interval.

c.

There is a 0.93 probability that the true standard deviation will fall within this interval.

d.

There is a 0.93 probability that the true mean will fall within this interval.

e.

There is a 0.93 probability that this interval contains, within it, the true mean.

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