Question: Please answer A store owner wanted to determine if more than 12% of mailed out coupons were used in his store. He sent out 300

Please answer

A store owner wanted to determine if more than 12% of mailed out coupons were used in his store. He sent out 300 coupons to 300 randomly selected customers. Out of those 300, 45 were returned Is this evidence that if he sent out coupons to all of his customers more than 12% would be used in the store? What is the appropriate null and alternative hypothesis? O Ho: phat > 0.10 Ha: phat = 0.10 O Ho: p = 0.12 Ha: p > 0.12 O Ho: mu = 0.12 Ha: mu > 0.12 O Ho: phat = 0.10 Ha: phat > 0.10

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