Question

A charity solicits donations by telephone. It has been found that 60% of all calls result in a refusal to donate; 30% result in a request for more information through the mail, with a promise to at least consider donating; and 10% generate an immediate credit-card donation. For a random sample of 100 calls made in the current week, 65 result in a refusal to donate, 31 result in a request for more information through the mail, and 4 generate an immediate credit-card donation. Test at the 10% level the null hypothesis that the usual pattern of outcomes is being followed in the current week.


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  • CreatedJuly 07, 2015
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