4. Answer the following: (a) A day of the week is selected at random. What is the probability that it is a weekend day? (b) A single card is drawn from a deck of 52 cards. What is the probability that it is a king or a club? (c). The probability of rain tomorrow is 0.7. The probability that it will snow is 0.5. The probability of both rain and snow is 0.3. What is the probability that it will either rain or snow tomorrow?

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