For each question:
a) State the null and alternative hypothesis for a test to determine the validity of the claim
b) Identify left, right, or two-tailed test type
1).
a) "H_0: \\mu\\le72\\cup \\mu\\ge83,\\;H_a:72<\\mu<83."
b) Two-tailed.
2).
a) "H_0:\\pi=0.72,\\;H_a:\\pi\\ne0.72."
b) Two-tailed.
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