A population has mean u= 35 and standard deviation o=4. Find u- and o- for samples of size n=25. Round your answers to one decimal place if needed.

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A population has mean u= 35 and standard deviation o=4, Find u- and o- for samples of size n= 25. Round your answers
to one decimal place if needed.
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Transcribed Image Text:A population has mean u= 35 and standard deviation o=4, Find u- and o- for samples of size n= 25. Round your answers to one decimal place if needed. Submit Assignment Continue O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use | Privacy I Accessibilit
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9.
A sample of size 25 will be drawn from a population with mean 111 and standard deviation 25.
(a) Is it appropriate to use the normal distribution to find probabilities for x?
(b) If appropriate find the probability thatx will be less than 94.
(c) If appropriate find the 95"" percentile of x.
(a) Is it appropriate to use the normal distribution to find probabilities for x?
O Yes
O No
(b) The probability that x will be less than 94 is
th
|(c) The 95
percentile of x is
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Transcribed Image Text:6. 7 8. 9. A sample of size 25 will be drawn from a population with mean 111 and standard deviation 25. (a) Is it appropriate to use the normal distribution to find probabilities for x? (b) If appropriate find the probability thatx will be less than 94. (c) If appropriate find the 95"" percentile of x. (a) Is it appropriate to use the normal distribution to find probabilities for x? O Yes O No (b) The probability that x will be less than 94 is th |(c) The 95 percentile of x is Continue O 2021 McGraw-Hill Education. All Rights Reserved. Terms of L 3,
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