Twenty five percent of children in a community are exposed to high levels of electromagnetic field...

Twenty five percent of children in a community are exposed to high levels of electromagnetic field (EMF) radiation. You select at random series of 20 children from this neighborhood.

Calculate the probability (binomial) that exactly 6 children are exposed to high EMF levels.

Calculate the expected mean (binomial) of children exposed to high EMF levels.

Calculate the variance (binomial) of children exposed to high EMF levels.

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orchestra answered 1 year ago

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Twenty five percent of children in a community are exposed to high levels of electromagnetic field...

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Twenty years ago, 46% of parents of children in high school felt it was a serious...

Twenty years ago, 56% of parents of children in high school felt it was a serious...

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