1 Ophelia O'Brien, VP of Consumer Credit of American First Banks (AFB), monitors the default rate on personal loans at the AFB member banks. One of...

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1 Ophelia O'Brien, VP of Consumer Credit of American First Banks (AFB), monitors the default rate onpersonal loans at the AFB member banks. One of her standards is "no more than 5% of personal loansshould be in default." On each Friday, the default rate is calculated for a sample of 500 personal loans. LastFriday's sample contained 30 defaulted loans. Ophelia's null hypothesis is Tm>005(in=mmCm=30 Cm=005 (in=005