Q1 of statistics and probablity

sweet and coffee is a Toronto based chain of coffee shops that offers wide variety of coffee and hot beverages, refreshers and desserts. The marketing team is currently working on new campaign. As part of the research, the team examined the relationship between the number od sunny days in a month and the number of donuts sold {in '00]. The data is presented below: it of sunny days in a month it of donuts sold {in '00) Based on the data, the team determined that the standard error of the estimate is 5.73 and constructed the following equation: Y' = 8.49 0.8200. Required: Construct a 95% prediction interval for the number of donuts (in '00] to be sold during a month with 15 sunny days