A medical investigation claims that the average number of infections per week at a hospital in southwestern Pennsylvania is 16.3. A random sample of 10 weeks had a mean number of 17.7 infections. The sample standard deviation is 1.8. Is there enough evidence to reject the investigator's claim at a oa= 0.05?

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Chapter2: Second-order Linear Odes
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السؤال 2
A medical investigation claims that the average number of infections per week
at a hospital in southwestern Pennsylvania is 16.3.
A random sample of 10 weeks had a mean number of 17.7 infections.
The sample standard deviation is 1.8.
Is there enough evidence to reject the investigator's claim at a oa= 0.05?
Accept the H1
None
Accept the null hypothesis
Reject the null hypothesis
Transcribed Image Text:السؤال 2 A medical investigation claims that the average number of infections per week at a hospital in southwestern Pennsylvania is 16.3. A random sample of 10 weeks had a mean number of 17.7 infections. The sample standard deviation is 1.8. Is there enough evidence to reject the investigator's claim at a oa= 0.05? Accept the H1 None Accept the null hypothesis Reject the null hypothesis
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