According to official data, the average annual expenditure on dental care in Kingston, Jamaica is at least $60,000 per person. A random sample of 125 persons showed that they spent an average of...

According to official data, the average annual expenditure on dental care in Kingston, Jamaica is at least $60,000 per person. A random sample of 125 persons showed that they spent an average of $55,000 on dental care last year with a standard deviation of $10,500. Test at the 5% significance level whether last year’s mean annual dental care expenditure per person in the parish was less than $60,000.

a) find p value.