HAVING A PROBLEM IN SAMPLING DISTRIBUTION OF SAMPLE MEANS

Pandababyae1701

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Joined
Apr 23, 2019
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5
Ive already computed for thw NcR to get the possible no of samples ,mean and the sample mean (x) ,frequency and P(x) no. of probability.

I have a problem in p(x) because the rule is that the p(x) must be equal to 1
But when i get the summation of the total p(x),
I get 1.4 which is wrong..
I dont know where i went wrong. Ive already chexk the arrangement of the samples and make sure that theres no repetition
 

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