Mathematics, 03.05.2021 01:30, harleyandpope90

A total of 21 mice are chosen for a research experiment. Of them, 15 are female and the rest are male. They are held inside a 20-gallon tank. If the researcher doesn't know the gender of any of the mice and picks one up at random from inside the tank, what is the probability that the researcher chooses a male mouse? Convert the fraction to a decimal. Round to three decimal places.

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A total of 21 mice are chosen for a research experiment. Of them, 15 are female and the rest are mal...