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3 years ago

LMN and QRS are similar. Find the value of X.

Mathematics

1 answer:

Trava [24]3 years ago

5 0

x+5/30 = 50/75

x+5/10 = 2

x+5 = 20

x = 15

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Ivenika [448]

Answer:

$\hat p \sim N (p , \sqrt{\frac{p(1-p)}{n}})$

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$\mu_{\hat p} = 0.55$

And the deviation:

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Step-by-step explanation:

For this case we assume that the true population proportion of Americans do not know that GOP stands for Grand Old Party is 0.55 and we select a random sample of n = 953 americans

For this case we assume that we satisfy the conditions to use the normal approximation for $\hat p$

1) np >10 , n(1-p)>10

2) Independence

3) Random sample

4) The sample size is less than 10% of the population size

We assume that all the conditions are satisfied and the distribution for $\hat p$ would be:

$\hat p \sim N (p , \sqrt{\frac{p(1-p)}{n}})$

The mean is given by:

$\mu_{\hat p} = 0.55$

And the deviation:

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3 years ago

LMN and QRS are similar. Find the value of X.​

LMN and QRS are similar. Find the value of X.