2 2/3 ÷{[(3.72−0.02x)· 10/37 ]÷ 5/6 +2.8}− 7/15 =0.2

Which of the following statement about pascal's triangle are true?

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?

Six random samples were taken each year for three years. the table shows the inferred population for each type of fish for each year.