Mathematics, 13.07.2020 21:01 callofdutyghostgamer

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Mathematics, 21.06.2019 16:00, ashl3yisbored

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).

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Mathematics, 21.06.2019 17:00, davin74

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Mathematics, 21.06.2019 21:30, alegora78

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

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Mathematics, 21.06.2019 22:00, MoparorNocar061401

Find two numbers if their sum is 91 and the ratio is 6: 7?

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