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Consider an r.v. that follows the t distribution.
a. For 20 degrees of freedom (d.f.), what is the probability that the t value will be greater than 1.325?
b. What is the probability that the t value in C.5 (a) will be less than - 1.325?
c. What is the probability that a t value will be greater than or less than 1.325?
d. Is there a difference between the statement in C.5(c) and the statement, "What is the probability that the absolute value of t, | t|, will be greater than 1.325?" |
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