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hypothesis and comment on the value of the commercial. State the null and alternative hypotheses. (Use

`\mu _(d)=`

mean rating after - mean rating before.) Calculate the value of the test statistic. (Round your answer to three decimal places.) Calculate the

`p`

-value. (Round your answer to four decimal places.)

`p`

-value

`=`

State your conclusion. Do not Reject

`H_(0)`

. There is sufficient evidence to conclude that seeing the commercial improves the mean potential to purchase. Reject

`H_(0)`

. There is sufficient evidence to conclude that seeing the commercial improves the mean potential to purchase. Reject

`H_(0)`

. There is insufficient evidence to conclude that seeing the commercial improves the mean potential to purchase. Do not reject

`H_(0)`

. There is insufficient evidence to conclude that seeing the commercial improves the mean potential to purchase.