Hi

Need to know the Particulars of the type of Probability distribution and

facts pertaining to the distribution

Re Response: Assume You mean Normal distribution: m = 76 and SD = 6

Using TI: The syntax is normalcdf(smaller, larger, µ, σ).

P(72 ≤ x ≤ 77) =  normalcdf(72, 77, 76, 6) 

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