The table above shows the number of cell phones per household in a small town. Find the expected value round to the Phones pability 4 5. 0.020 0.140 0.272 0.292 0.168 0.076 0.032 nearest hundredth. 2.80 2.93 0.10 0.14

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A: Given Data and calculation for the Expected value is shown below

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Q: Find the expected value E(X) of the following data. Round your answer to one decimal place. -6 -5 -4…

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Q: Find the expected value E(X) of the following data. Round your answer to one decimal place. x −6 −5…

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Q: Number of boys in families with 4 children X Pr(X = x) 0   1/16 1   1/4 2   3/8 3   1/4 4   1/16…

A: x P(x) xP(x) x2P(x) 0 0.0625 0 0 1  1/4 0.25 0.25 2  3/8 0.75 1.5 3  1/4 0.75 2.25 4…

Q: Find the expected value and standard deviation of the following. X probability 0 0.4 1 0.2 2 0.4

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A: 2) Expected value E(x) is calculated by Exip(xi) = 5*0.60+10*0.40 =7 Or 5*0.60-10*0.40 =-1

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Q: Find the standard deviation.  x  P(x) 0  0.2 1  0.2 2  0.4 3  0.2 Please

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.