Question 1148872
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Probability  P(more than 1 vessel) = P(2 vessels) + P(3 vessels) + P(4 vessels) + P(5 vessels) + P(6 vessels).


P(2 vessels) = {{{(7/21)*(6/20)}}}                 =  0.1


P(3 vessels) = {{{(7/21)*(6/20)*(5/19)}}}             = 0.026316


P(4 vessels) = {{{(7/21)*(6/20)*(5/19)*(4/18)}}}         = 0.005848


P(5 vessels) = {{{(7/21)*(6/20)*(5/19)*(4/18)*(3/17)}}}     = 0.001032


P(6 vessels) = {{{(7/21)*(6/20)*(5/19)*(4/18)*(3/17)*(2/16)}}} = 0.000129


Probability  P(more than 1 vessel) is the sum of the numbers in the last column, which is  0.133325  (approximately),

or   0.1333,  rounded as requested.
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Solved.