A class has 20 boys and 15 girls. The teacher randomly selects 4 students to go to the board to solve the exercises. The probability that the 4 selected students are both male and female is
Place this order or similar order and get an amazing discount. USE Discount code “GET20” for 20% discount
Place this order or similar order and get an amazing discount. USE Discount code “GET20” for 20% discount