PSY 520-While playing a coin-tossing game in which
Subject: Mathematics / Statistics
While playing a coin-tossing game in which you are to guess whether heads or tails will appear, you observe 30 heads in a string of 50 coin tosses.
(a) Test the null hypothesis that this coin is unbiased, that is, that heads and tails are equally likely to appear in the long run.
(b) Specify the approximate p -value for this test result.