Question Video: Recognising Possible Events Mathematics

Is it possible, impossible, or certain that someone watches television 4 times a week?

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Video Transcript

Is it possible, impossible, or certain that someone watches television four times a week?

This question is all about the likelihood of something happening. Is it possible that it will happen? Is it completely impossible? Or is it absolutely certain? We can use these words to describe the probability of something happening. And the event that this question is talking about is someone watching television four times a week. Let’s have a think about our three possible answers. If it’s certain that someone watches television four times a week, then it’s always true that they watch television four times every week, never any less, never anymore.

If we say that something’s impossible, we’re saying that there’s no chance of it happening. It’s not even possible that someone could watch television four times a week. And then we’ve got the word “possible.” If a statement like this is possible, then there’s a chance that it could happen. It might not happen, but there’s a chance that it could. I wonder, how many times do you watch television a week? Although some people might watch television four times a week, we can’t say that it’s always true, can we? But we can’t say that it’s never true, either. When something’s impossible, there’s no chance of it happening.

Of course, there is some possibility that someone could watch television four times a week. It’s quite easy to do really, isn’t it? The only word we can really use to describe this event is “possible.” It’s possible that someone watches television four times a week, and it’s possible that they don’t. It’s a statement that’s sometimes true. Maybe it’s true of you. Maybe it’s not. It’s possible that someone watches television four times a week.

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