2) In a class of 31 students, some study Physics and some study Chemistry. If 22
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The probability is 1/462.
To find this, we will find the number of combinations of 5 country songs taken 5 at a time, 6 pop songs taken 0 at a time, and the total number of outcomes will be 11 songs taken 5 at a time:
To find this, we will find the number of combinations of 5 country songs taken 5 at a time, 6 pop songs taken 0 at a time, and the total number of outcomes will be 11 songs taken 5 at a time:
Your goal is to fill in the whole grid with numbers, making sure no number is repeated in any row or column. When it is 4x4 you have to use numbers 1,2,3,4.
