This is a binomial distribution question with
n = 7
p = 0.26
q = 1 - p = 0.74
where
binomcdf(7, 0.26, 3)
1 - binomcdf(7, 0.26, 2)
binomcdf(7, 0.26, 5) - binomcdf(7, 0.26,1)
Please hit thumps up if the answer helped you
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