December 5^th, 2019. The FTC stopped A.S. Research who was making false claims that their product would reduce arthritis pain by 95%. Specifically that it would improve pain by 95% not that it was effective in 95% of cases.

According to their claim the mean pain relief would be 95%. The population parameter is population mean,.

Null Hypothesis, Ho:= 95%

Alternate Hypothesis, Ha:<95%

This would be a left-tailed hypothesis test.

Suppose you are the researcher of the hypothesis test and you conclude to either "reject the null hypothesis" or "not to reject the null hypothesis." Write a statement on your conclusion to the public about this service/product.