The New York Times (2/5/90) reported three-point shooting performance for the top 10 three-point shooters in the NBA. The following table summarizes these data:
Player | FGA-FGM |
Mark Price | 429-188 |
Trent Tucker | 833-345 |
Dale Ellis | 1,149-472 |
Craig Hodges | 1,016-396 |
Danny Ainge | 1,051-406 |
Byron Scott | 676-260 |
Reggie Miller | 416-159 |
Larry Bird | 1,206-455 |
Jon Sundvold | 440-166 |
Brian Taylor | 417-157 |
Note: FGA = field goals attempted and FGM = field goals made.
For a given player, the outcome of a particular shot can be modeled as a Bernoulli (zero-one) variable: if Yi is the outcome of shot i, then Yi =1 if the shot is made, and Yi = 0 if the shot is missed. Let θ denote the probability of making any particular three-point shot attempt. The natural estimator of θ is = FGM/FGA.
(i) Estimate θ for Mark Price.
(ii) Find the standard deviation of the estimator in terms of and the number of shot attempts, n.
(iii) The asymptotic distribution of (-)/se()is standard normal, where se() = . Use this fact to test H0: θ = .5 against H1: θ= .5 for Mark Price. Use a 1% significance level.
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