If a die is rolled 3 times, find the probability of getting at least 1 odd number.

Give the answer as a decimal.

Of all CCP students, 60% have been born in Philadelphia.If 3 students are selected at random, find the probability that at least one student was born in Philadelphia.

Give the answer as a decimal.

A quiz consists of a true/false question followed by a multiple-choice question with four possible answers {a,b,c,d}. A student makes random guesses for both answers. What is the probability that both answers are correct? answer as a decimal.