Mathematics, 12.03.2021 16:30 quarrella

A student in a mathematics class has a probability of 0.25 of gaining full marks in a test. She takes nine tests in a year Define the random variable X and write down how it is distributed. Find the probability that she will gain full marks exactly three times in a year gain full marks on more than half the test

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A student in a mathematics class has a probability of 0.25 of gaining full marks in a test. She take...

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