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22cadenwarner
30.10.2019 •
Mathematics
Question 10suppose that a student is working on a statistic project using data on pulserates collected from a random sample of 100 students from her college. shefinds a 95% confidence interval for mean pulse rate to be (65.5, 71.8). explainhow each of the statement below would indicate an improper interpretation ofthis intervala) i am 95% sure that all students will have pulse rates between 65.6 and71.8 beats per minuteb) i am 95% sure that the mean pulse rate for this sample of students will fallbetween 65.5 and 71.8 beats per minutec) i am 95% sure that the confidence interval for the average pulse rate of allstudents at this college goes from 65.5 to 71.8 beats per minuted) i am sure that 95% of all students at this college will have pulse ratesbetween 65.5 and 71.8 beats per minutee) i am 95% sure that the mean pulse rate for all us college students inbetween 65.5 and 71.8 beats per minutef) of the mean pulse rates for students at this college, 95% will fall between65.5 and 71.8 beats per minuteg) of random samples of this size is taken from students at this college, 95%will have mean pulse rates between 65.5 and 71.8 beats per minute.
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Ответ:
e) I am 95% sure that the mean pulse rate for all US college students in between 65.5 and 71.8 beats per minute.
Step-by-step explanation:
A 95% confidence interval interprets that we are 95% sure that the true mean of population falls in it.
We are given that , a 95% confidence interval for mean pulse rate to be (65.5, 71.8).
Correct interpretation : I am 95% sure that the mean pulse rate for all US college students in between 65.5 and 71.8 beats per minute.
Hence, the correct answer is option e) .
Ответ:
D (6,2)
Step-by-step explanation:
2x6+2=14 2x6= 12 12+2= 14
5x6-2=28 5x6=30 30-2=28