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a.If 61.75% of a t-distribution with 82 df lies within the interval t, what is t? t= b.What proportion of a t-distribution lies below 1.39,

a.If 61.75% of a t-distribution with 82 df lies within the interval t, what is t?

b.What proportion of a t-distribution lies below 1.39, when sample size is 80?

c.If 62% of a t-distribution lies outside the interval t when n = 91, what is t?

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