Question

Marcy’s Consignment shop is based in Port Angles, Washington, it offers both male and female never or slightly used clothing and accessories on a consignment basis. Marcy’s recently redesigned their website and wants to show that sales have increased. The sales manager selects 30 sales records at random from the store’s online client list and she finds a mean increase in spending of 3.50 with a standard deviation of 7.20. what is the resulting p-value for alpha=0.05