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kolezko [41]
3 years ago
11

A farmer's land is separated into sections of size 2 1/3

Mathematics
1 answer:
wariber [46]3 years ago
7 0

Answer:

9.29 acres

Step-by-step explanation:

2 2/7 = 15/7

4 1/3 = 13/3

(15/7) * (13/3) = 195/21 = 9.29 acres

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The mean and variance of a binomial distribution with parameters n (number of trials) and p ( the probability of getting success in each trial) is given by :-

\text{Mean}=np\\\\\text{Variance}=np(1-p)

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Now,

\text{Mean}=7(0.75)=5.25\\\\\text{Variance}=7(0.75)(0.25)=1.3125\\\\\Rightarrow\ \text{Standard deviation}=\sqrt{1.3125}=1.14564392374\approx1.1456

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