3 years ago

I will award brainliest! I need help finding the Slope from the Graph.

Mathematics

1 answer:

Lemur [1.5K]3 years ago

4 0

Answer:y= 4/2x +1

Step-by-step explanation:

Slope is 4/2. Y-intercept is 1.

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Norma-Jean [14]

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Step-by-step explanation:

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Joe heard from a reliable source that only 22% of people actually sleep 8 hours or more per night. You do a survey and find 58 o

Juliette [100K]

Answer:

95% Confidence interval: (31.32%,47.04%)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 148

Number of people who sleep for 8 hours or longer, x = 58

$\hat{p} = \dfrac{x}{n} = \dfrac{58}{148} = 0.3918$

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

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

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(31.32%,47.04%) is the required 95% confidence interval.

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2 years ago

I will award brainliest! I need help finding the Slope from the Graph.​

I will award brainliest! I need help finding the Slope from the Graph.