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(a) Find k such that P(-k<T<k)=0.8 when v=7. (b) Find k such that P(-2.069 < T...

  1. (a) Find k such that P(-k<T<k)=0.8 when v=7.
    (b) Find k such that P(-2.069 < T < k) = 0.965 when v = 23.

  2. (c) Find k such that P(37.652<2 <k)=0.045 when v=25.

Math   Statistics-And-Probability   
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I have solved the a & b PART. c part is not clear to me.

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