Critical Value of Proportion

Use technology to find the critical value z* for a 98% confidence interval. Assume that the Large Counts condition is met.

• z* = 0.98

• z* = 0.01

• z* = -2.326

• z* = 2.326

Tags

CCSS.HSS.ID.A.4

Use technology to find the critical value z* for a 93% confidence interval. Assume that the Large Counts condition is met.

• z* = 0.93

• z* = 0.035

• z* = -1.812

• z* = 1.812

Tags

CCSS.HSS.ID.A.4

Use technology to find the critical value z* for a 75% confidence interval. Assume that the Large Counts condition is met.

• z* = 0.75

• z* = 0.125

• z* = -1.150

• z* = 1.150

Use technology to find the critical value z* for a 99.9% confidence interval. Assume that the Large Counts condition is met.

• z* = 0.999

• z* = 0.0005

• z* = -3.291

• z* = 3.291

Tags

CCSS.HSS.ID.A.4