After analyzing data from private schools across the Wizarding world, it is concluded that the average cost of room and board at a school of Magic is $25,000 with a standard deviation of $2,000. If the cost for a wizarding education is shown to assume a mound shape, 95% of the schools of witchcraft and wizardry will have annual tuition costs between what two amounts?
a. 23,000 and 27,000
b. 21,000 and 29,000
c. 19,000 and 31,000
d. 24,000 and 26,000
e. 26,000 and 28,000