obert, a starting player for a major college basketball team, made only 38.4% of his free-throws in previous seasons.  During the summer, he worked on developing a softer shot in hopes of improving his free throw accuracy.  In the first eight games of the season, Robert made 25 free throws of 40 (or 62.5%). We wish to test if the practice helped.  Which of the following are the appropriate null and alternative hypotheses, letting p denote his new free-throw shooting probability   The null hypothesis is H0:                             ["", "", "", ""]            The alternative hypothesis is Ha:

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