A Department Store Has Daily Mean Sales of $ 28,372

Multiple Choice

A department store has daily mean sales of $ 28,372.72. The standard deviation of sales is $2000. On Tuesday, the store sold $34,885.21 worth of goods. Find Tuesday's z score. Was Tuesday a significantly good day?

A) 3.26, yes
B) 3.42, no
C) 2.61, no
D) 3.57, yes