Question: Example 6, in testing H 0 : p = 0.5 against H a : p < 0.5, analyzed whether those opposing increased use of fracking

Example 6, in testing H₀: p = 0.5 against H_a: p < 0.5, analyzed whether those opposing increased use of fracking are in the minority. In the words of that
example, what would be

a) A Type I error

b) A Type II error?

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