# Chi square distribution: probability statements.

For df = 5 and the constant A, identify the value of A such that

a. P(x^2 > A) = 0.90

b. P(x^2 > A) = 0.10

c. P(x^2 > A) = 0.95

d. P(x^2 > A) = 0.05

e. P(x^2 < A)f = 0.975

f. P(x^ < A) = 0.025

where x^2 is chi-squared.

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#### Solution Preview

for df = 5 and the constant A, identify the value of A such that

a. P(x^2 > A) = 0.90

b. P(x^2 > A) = 0.10

c. P(x^2 > A) = 0.95

d. P(x^2 > A) = 0.05

e. P(x^2 < A)f = 0.975

f. P(x^ < A) = 0.025

All of these questions involve simply looking up values in a Chi-square table.

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#### Solution Summary

This solution finds values of a Chi-square distribution satisfying five probability statements.

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