Question

Sketch and Shade. Given the following critical values and blank normal curve, draw the line then shade

Level of Signifinance

90 %

Critical value

t = -1.282

Level of Signifinance

99%

Critical Value

z= ± 2.56

Level of Signifinance

95%

Critical Value

z= 1.65

Answer 1

1) 90% level of signifinance and t = -1.282

2) 99% level of signifinance and z= ± 2.56

3) 95% level of signifinance and z= 1.65