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AVprozaik [17]
3 years ago
13

An old lady taking her elephant for a walk

Mathematics
1 answer:
AVprozaik [17]3 years ago
3 0

Answer:

the old lady is bird so it is c

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In the 2009 General Social Survey, respondents were asked if they favored or opposed death penalty for people convicted of murde
sleet_krkn [62]

Answer:

The calculated 99% confidence interval is wider than the 95% confidence interval.      

Step-by-step explanation:

We are given the following in the question:

95% confidence interval for the population proportion

(0.65, 0.69)

Let \hat{p} be the sample proportion

Confidence interval:

p \pm z_{stat}(\text{Standard error})

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

Let x be the standard error, then, we can write

\hat{p} - 1.96x = 0.65\\\hat{p}+1.96x = 0.69

Solving the two equations, we get,

2\hat{p} = 0.65 + 0.69\\\\\hat{p} = \dfrac{1.34}{2} = 0.67\\\\x = \dfrac{0.69 - 0.67}{1.96} \approx 0.01

99% Confidence interval:

p \pm z_{stat}(\text{Standard error})

z_{critical}\text{ at}~\alpha_{0.01} = 2.58

Putting values, we get,

0.67 \pm 2.58(0.01)\\=0.67 \pm 0.0258\\=(0.6442,0.6958)

Thus, the calculated 99% confidence interval is wider than the 95% confidence interval .

4 0
3 years ago
-2(3x+4)<-4+8 solve the inequality
Shtirlitz [24]

Answer:

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Step-by-step explanation:

8 0
4 years ago
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I need help with number 20. Please be sure to explain. Thank You! There is a picture attached btw.
yan [13]
He should have added 1 to both sides to make the -1 on the right go to 0.
Then it would be 0 + m = -16 + 1 = -15
You can check your work by adding -1 and -15, which does in fact equal -16.
Hope this helped :)
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Linear or non linear
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Step-by-step explanation:

as you can see the equation are smetrical and vertically placed on the equator outline in math terminology and the line of out border matches with the z in parrellelement and equation. with that being said it is linear.

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3 years ago
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Answer: 3

Step-by-step explanation:

8 0
3 years ago
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