Math Problem Statement
Solution
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Math Problem Analysis
Mathematical Concepts
t-distribution
degrees of freedom
probability
Formulas
P(t ≥ -1.93) = 1 - P(t < -1.93)
P(-c ≤ t ≤ c) = 0.95
P(t ≤ c) = 0.975
Theorems
t-distribution properties
Symmetry of the t-distribution
Cumulative probability
Suitable Grade Level
Undergraduate Statistics
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