Math Problem Statement

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Midterm Exam 2 Review (Nonadaptive) Question 7 of 16 (1 point)|Question Attempt: 1 of Unlimited

Dennis

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Question 7 Suppose that χ2 follows a chi-square distribution with 28 degrees of freedom. Use the ALEKS calculator to answer the following. (a) Compute P≤χ242. Round your answer to at least three decimal places.

=P≤χ242 (b) Find k such that =P>χ2k0.05. Round your answer to at least two decimal places.

=k

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Math Problem Analysis

Mathematical Concepts

Chi-Square Distribution
Probability
Cumulative Distribution Function

Formulas

P(χ^2 ≤ x)
P(χ^2 > k) = α

Theorems

Chi-Square Distribution Properties
Critical Value for Chi-Square

Suitable Grade Level

College-level Statistics