What symmetric interval about the mean will contain approximately 95% of the systolic blood pressure readings for Canadians?
A.	105 to 137
B.	89 to 153
C.	73 to 169
D.	89 to 121
Answer:B
What symmetric interval about the mean will contain approximately 95% of the systolic blood pressure readings for Canadians?
A.	105 to 137 B.	89 to 153 C.	73 to 169 D.	89 to 121