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The bloodhound is the mascot of John Jay College. Suppose we weigh n=8 randomly selected bloodhounds...

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Basic Math

The bloodhound is the mascot of John Jay College. Suppose weweigh n=8 randomly selected bloodhounds and get the followingweights in pounds


85.6, 91.6, 105.9, 83.1, 102.1, 92.5, 108.8, 81.4

Assume bloodhound weight are normally distributed with unknown meanof μ pounds and an unknown standard deviation ofσ pounds.

e) Suppose W has a t distribution with 7 degrees of freedom. IfP(W > t) = .03 then what is t?  

f) Suppose W has a t distribution with 7 degrees of freedom. If P(W< t) = .03 then what is t?  

g) Calculate the 97th percentile of a standard normaldistribution.  

h) Compute a 94% Confidence Interval for μ using youranswers above.

i) Compute a 94% Prediction Interval for a single futurebloodhound weight measurement using your answers above..

Answer & Explanation Solved by verified expert
3.9 Ratings (448 Votes)
Answere PWt003 where WX2 withdf 7 t Upper 97 point of chisquaredistribution with df 7 t 155f PW t Lower 3 point of chisquaredistribution with df 7 t 18g Suppose x is the 97th percentile forstandard normal distributionThus PX x Upper 97 point of    See Answer
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