What percent of the area under the normal curve is covered by ±1.96 standard deviations?
A) 68
B) 75
C) 95
D) 99
E) 100
Answer: c
What percent of the area under the normal curve is covered by ±1.96 standard deviations?
A) 68
B) 75
C) 95
D) 99
E) 100
Answer: c