Question 1142100
Probability of exactly 6 hits: {{{(0.147)^6}}} = {{{0.00001}}}
Probability of exactly 5 hits: {{{(0.147)^5 * (0.853)^1 * (6!/(5!*1!))}}} = {{{0.00035}}}
Probability of exactly 4 hits: {{{(0.147)^4 * (0.853)^2 * (6!/(4!*2!))}}} = {{{0.00510}}}
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Probability of at least 4 hits: {{{0.00001 + 0.00035 + 0.00510}}} = {{{0.00546}}}