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The Golden State Warriors famously broke the NBA’s single season wins record with 73 wins and...

The Golden State Warriors famously broke the NBA’s single season wins record with 73 wins and 9 losses. Treat these games as a random sample. Use the normal approximation to the binomial to test whether or not their true winning percentage was greater than .695 at α = 0.05 (you may do a 1-sided test)

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Answer #1

Here claim is that true winning percentage was greater than 0.695

So hypothesis is vs

Now here

Also

Hence test statistics is

Hence P value is

So we reject the null hypothesis

Hence we have sufficient evidence to support the claim that true winning percentage was greater than 0.695.

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