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A washing machine manufacturer says that 85% of its washers last five years before repairs are necessary. A random Sample of 92 washers showed that
A washing machine manufacturer says that 85% of its washers last five years before repairs are necessary. A random Sample of 92 washers showed that 73 of them lasted five years before they needed repair. Does this data indcate that the manufacturer's claims is too High? Use a 5% level of significance?
A. Hypotheses are?
B. Test Statistic?
C. P-value + Graph?
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