Please show me step by step how you would find the answer for the question below and what you get for the answer, I'm not sure what I'm doing wrong but I keep getting it wrong.

In an experimental treatment, a random individual scores 51 on a measurement.People in general are normally distributed with a mean of 37 and a standard deviation of 7.The researcher predicts that the treatment will create an effect on the subject, but does not specify if the measurement will increase or decrease.Using a 5% significance level (p < .05), what conclusions should this researcher make about the treatment.Utilize the five-step hypothesis testing process and show all of your work.