A restaurant recently altered its menu and wants to determine whether average customer satisfaction has significantly changed. With the old menu, the average customer satisfaction rating was 7 out of 10. With the new menu, the average customer satisfaction rating is 7.5 out of 10. After performing a hypothesis test, the restaurant obtained a p-value of 0.0300. Assuming a 95% confidence level, which of the following conclusions is correct?

a) Fail to reject the null hypothesis, as the p-value is greater than 0.05.

b) Reject the null hypothesis, as the p-value is less than 0.05.

c) Conclude that the average customer satisfaction has decreased significantly.

d) Conclude that the average customer satisfaction has increased significantly.