VIAMC 2025 Mock Test — Level 6 (Senior) Question 11

An unfair coin has probability 0.6 of “rolling an even number” at each “sowing.” The die is rolled ten consecutive times. Calculate the probability of obtaining at least seven even numbers. (The mixed coin/die terminology is retained from the English source.)

The following source mathematical images preserve the printed option/formula/figure variants; text and choices above or below provide clean typesetting.