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Unformatted text preview: Decision: The value of the test statistic is in the Rejection Region. Reject H at = 0.10. b) (5) The player claims that he hits better during night games than during day games. Find the pvalue of the test H : p Day = p Night vs. H 1 : p Day < p Night . 240 72 Y 1 1 1 = = n p = 0.30. 160 56 Y 2 2 2 = = n p = 0.35. 32 . 400 128 160 240 56 72 Y Y 2 1 2 1 = = + + = + + = n n p . Test Statistic: Z = + 160 1 240 1 68 . 32 . 35 . 30 . = 1.05 . Pvalue: Left tailed. Pvalue = ( area of the left tail ) = P( Z 1.05 ) = 0.1469 ....
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This note was uploaded on 10/13/2011 for the course STAT 409 taught by Professor Stephanov during the Fall '11 term at University of Illinois at Urbana–Champaign.
 Fall '11
 STEPHANOV

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