a) The time a patient must wait before being attended by a physician in a hospital has been observed for each of 100 randomly selected patients. The sample mean is 70.3 minutes and the standard deviation is 28.2 minutes. Test the hypothesis that the mean waiting time in the hospital is not more than 65 minutes. Use

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a) The time a patient must wait before being attended by a physician in a hospital
has been observed for each of 100 randomly selected patients. The sample mean is
70.3 minutes and the standard deviation is 28.2 minutes. Test the hypothesis that the
mean waiting time in the hospital is not more than 65 minutes. Use
b) The mean operating temperature of a heat sensing device is claimed to be
A simple random sample of 16 devices has mean.
land standard deviation
Can it be concluded at the 001 level of significance that the mean operating
temperature is higher than
Selution#2' (te be tur ed Bore by the otudont)
Transcribed Image Text:a) The time a patient must wait before being attended by a physician in a hospital has been observed for each of 100 randomly selected patients. The sample mean is 70.3 minutes and the standard deviation is 28.2 minutes. Test the hypothesis that the mean waiting time in the hospital is not more than 65 minutes. Use b) The mean operating temperature of a heat sensing device is claimed to be A simple random sample of 16 devices has mean. land standard deviation Can it be concluded at the 001 level of significance that the mean operating temperature is higher than Selution#2' (te be tur ed Bore by the otudont)
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