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a) u is known 5) µ is unknown. in each case ( a) and b) ) use Tables to find the values for quantiles (critical points) needed to construct a 90% CI for o? when n= 9.

a) u is known 5) µ is unknown. in each case ( a) and b) ) use Tables to find the values for quantiles (critical points) needed to construct a 90% CI for o? when n= 9.

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 14E
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Let X1, ... , Xn. be a random sample from N(u, o?) distribution. Derive an exact (1 – a) 100% confidence interval for o? (start with specifying a pivot random variable) when a) u is known 5) µ is unknown. n each case ( a) and b) ) use Tables to find the values for quantiles (critical points) needed to construct a 90% CI for o? when n= = 9.
Transcribed Image Text:Let X1, ... , Xn. be a random sample from N(u, o?) distribution. Derive an exact (1 – a) 100% confidence interval for o? (start with specifying a pivot random variable) when a) u is known 5) µ is unknown. n each case ( a) and b) ) use Tables to find the values for quantiles (critical points) needed to construct a 90% CI for o? when n= = 9.
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