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![**Using the ALEKS Calculator for t Distribution Problems**
**Problem (a):** Consider a t distribution with 11 degrees of freedom. Compute the probability \( P(t \leq 1.21) \). Ensure to round your answer to at least three decimal places.
\[ P(t \leq 1.21) = \text{[Input Box]} \]
**Problem (b):** Consider a t distribution with 26 degrees of freedom. Determine the value of \( c \) such that the probability \( P(-c < t < c) = 0.90 \). Round your answer to at least three decimal places.
\[ c = \text{[Input Box]} \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1d3f2bfb-a5cc-4b06-99e2-b36f9d38db79%2F9a8816f9-e197-47fd-9437-1f160932fbe8%2Fdagmgq_processed.jpeg&w=3840&q=75)
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