An office worker claims that at most $30 \%$ of the phone calls he makes are the nonbusiness type. Conduct a two-tailed test of $p=0.30$ at $\alpha=0.05$, if a random sample of 13 of his calls reveals 8 nonbusiness calls.

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The Answer of An office worker claims that at most $30 \%$ of the phone calls he makes are the nonbusiness type. Conduct a two-tailed test of $p=0.30$ at $\alpha=0.05$, if a random sample of 13 of his calls reveals 8 nonbusiness calls.

An Office Worker Claims That at Most 30%30 \%30% Of the Phone Calls He Makes Are the Nonbusiness Type

An Office Worker Claims That at Most $30 \%$ Of the Phone Calls He Makes Are the Nonbusiness Type