In a recent study, the following data was obtained in response to the question, "Do you favor recycling in your neighborhood?

yes no no opinion

males 25 15 10

females 30 10 10

If a person is picked at random, what is the probability that the person is male and has no opinion regarding recycling?

then what is the probability that the person is female or does not favor recycling?

If 2 cards are drawn from an ordinary deck without replacement of the first card, what is the probability of drawing two spades?

The probability that an algebra student earns a final grade of A is 0.1, the probability of earning a final grade of B is 0.12, and the probability of earning a final grade of C is 0.17. Find the probability that a student does not make a grade of A?