Question

Since an instant replay system for tennis was introduced at a major tournament, men challenged 1391 referee calls, with the result that 431 of the calls were overturned. Women challenged 770 referee calls, and 217 of the calls were overturned Use a 0.01 significance level to test the claim that men and women have equal Success in challenging calls Consider the first sample to be the sample of male tennis players who challenged referee calls and the second sample to be the sample of female tennis players who challenged referee calls. What are the null and alterative hypotheses for the hypothesis test? OC. Ho PP2 HP-P2 O A. Ho: P2P H₂ P1 P2 OD. HO PA = P2 H₂ P1 P2 OB. HoP1P2 HP: SP2 OE Ho PP2 НА Р1 р OF HOP SP2 H₂ P1 P2 Identify the test statistic (Round to two decimal places as needed) Identify the P-value Click to select your answers and then click Check Answer Check Answer All parts showing

Answer 1

Pu! Peopoetion of chellinge calls bege oreg tuęned for pule Ps: Proportion of challange (all's were oveeturned for female We wish to test Ho! Pi=12 Vy hi Pu #P2 R-0.01 We have . x, = 431 ni=1391, X ₂ = 217, 12 = 770 6 - 11 43) 1391 = 0.3098, þ- x2 = 217 = 0.2999. 1391 +770 ni = 0.2818 P- *7** - 431+217 770 nith Test statistic 0.028 0.3098-0.2818 1.3605 N 0.02058 PO-P) Citit this) 0.2999 (1-0,4999) (1991+7) Z=1.36 Pivalue! Jince it is too failed test P. Vale = 2.11-PCZ<1-36)) -2 (1-0-9131) = 0.1738 P.yalle = 0:1738 p.vulle= 0.174

The prake is gerelter than the Significance Jeved o atool So fuil to reject the hall hypothesis. There is not evidence to Lacskunt Eejection of cleaims that women and men have equel Success in challenging Calls It appears that men and women hare equall Success in. challenging wills

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