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FromTheMoon [43]
3 years ago
9

Consider V = {2,3,5,7,9, 11, 13, 15, 17, 19} as a universal set. Let PC be the set of those numbers that are either

Mathematics
1 answer:
krek1111 [17]3 years ago
4 0

Answer:

Step-by-step explanation:

there are only two numbers .

{9,15}

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deff fn [24]

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Step-by-step explanation:

The standard error for the difference in means is given by :-

SE.=\sqrt{\dfrac{\sigma_1^2}{n_1}+\dfrac{\sigma^2_2}{n_2}}

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n_1= Size of sample 1.

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n_2= Size of sample 2.

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As per given , we have

\sigma_1=82

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\sigma_2=101

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The standard error for the difference in means will be :

SE.=\sqrt{\dfrac{(82)^2}{9}+\dfrac{(101)^2}{14}}

SE.=\sqrt{\dfrac{6724}{9}+\dfrac{10201}{14}}

SE.=\sqrt{747.111111111+728.642857143}

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