please only the anwers no need to explain

1)A plumbing company has 2 trucks A and B that break down frequently. The probability that A is available is 0.75 and the probability that B is available is 0.5. Assume that the probability that both trucks are available is 0.3. Calculate the probability that neither truck is available. 2) A survey of male and female undergraduate students enrolled in the Department of Business Management at Northern University revealed the following facts about the students' gender and field of study (see table below). A random selection is made of an individual enrolled in this Department at the undergraduate level. Field of Study Gender Accounting Marketing Finance Total Male 100 150 50 300 Female 100 50 50 200 Total 200 200 100 500 1) What is the probability that the person chosen is a student? (1 point) (1 point) ANSWER 2) What is the probability that the person chosen is enrolled in finance or accounting? (1.5 points) 3) What is the probability that the person chosen is a student? (0.5 points) 4)What is the probability that the person chosen is male and is in accounting? 1 point 5)What is the probability of choosing a person enrolled in accounting, knowing that this person is male? (2 points)

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