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Mathematics 19 Online
Pixel:

coin is flipped four times. X is the number of times it will land with a head up. Which statement is true about this situation? The variable X has a binomial distribution. P(success)=0.25; number of trials = 4 The variable X does not have a binomial distribution because there are more than two possible outcomes. The variable X has a binomial distribution. P(success)=0.5; number trials = 4 The variable X does not have a binomial distribution because P(success) is not constant.

darkknight:

Which one do you think it is Pixel, and why?

darkknight:

Think about the different possible outcomes of flipping a coin and the probability of getting heads.

Pixel:

C

darkknight:

Yes, because there are only 2 possible outcomes. When a coin is flipped 4 times. The probability of getting heads is 50%

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