What is the value for x2left for a 95 confidence interval

What is the value for x2left for a 95 confidence interval

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Reference no: EM13644659

What is the value for x2left for a 95% confidence interval when n = 18?

a. 7.564

b. 8.672

c. 9.390

d. 8.231

Reference no: EM13644659

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