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NeX [460]
3 years ago
14

Monique bought 3 1/2 pounds of hamburgers for $14 . What was the cost per pound ?

Mathematics
2 answers:
sasho [114]3 years ago
5 0
The cost per pound is $4.

Divide 14 by 3 1/2 to get this result
sertanlavr [38]3 years ago
4 0
You need to do 14 divided 3/12 which gives you the cost per pound
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According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft, 23% of all complaints in 20
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Answer:

There is not enough evidence to support the claim that Alaska had a lower proportion of identity theft than 23%.  

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 1432

p = 23% = 0.23

Alpha, α = 0.05

Number of theft complaints , x = 321

First, we design the null and the alternate hypothesis  

H_{0}: p = 0.23\\H_A: p < 0.23

This is a one-tailed test.  

Formula:

\hat{p} = \dfrac{x}{n} = \dfrac{321}{1432} =0.2241

z = \dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

Putting the values, we get,

z = \displaystyle\frac{0.2241-0.23}{\sqrt{\frac{0.23(1-0.23)}{1432}}} = -0.5305

Now, we calculate the p-value from the table.

P-value = 0.298

Since the p-value is greater than the significance level, we fail to reject the null hypothesis and accept the null hypothesis.

Conclusion:

Thus, there is not enough evidence to support the claim that Alaska had a lower proportion of identity theft than 23%.

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