3 years ago

Cifrele romane de la 1 pana 100 romani pls

1 answer:

8 0

Sorry I don’t understand 1-100=99 sorry

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Alexxandr [17]

The correct answer is a)

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3 years ago

Fantom [35]

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DENIUS [597]

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Ne4ueva [31]

Answer:

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3 years ago

Olenka [21]

Answer:

95% Confidence interval: (0.361,0.539)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 120

Number of farmers who reusable cloth bags, x = 54

$\hat{p} = \dfrac{x}{n} = \dfrac{54}{120} = 0.45$

95% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.96$

Putting the values, we get:

$0.45\pm 1.96(\sqrt{\dfrac{0.45(1-0.45)}{120}}) = 0.45\pm 0.089\\\\=(0.361,0.539)$

is the required 95% confidence interval for the proportion of adults who have purchased reusable cloth bags.

3 0

3 years ago

Cifrele romane de la 1 pana 100 romani pls​