a box has 4 red and 6 blue pen, a pen is drawn randomly with replacement, this is repeated 7 times. Let x be the number

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answerhappygod
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a box has 4 red and 6 blue pen, a pen is drawn randomly with replacement, this is repeated 7 times. Let x be the number

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a box has 4 red and 6 blue pen, a pen is drawnrandomly with replacement, this is repeated 7 times. Let x bethe number of red pen drawn,
1. what is probability that a red pen is drawn 3 times?
2. What type of probability distribution does x have? why?
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