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mixas84 [53]
3 years ago
13

Paul can purchase 3 muffins for $1.35. At this rate what is the cost of 10 muffins

Mathematics
2 answers:
timurjin [86]3 years ago
5 0
$4.5 for 10 muffins

1.35/3= 0.45(price per unit)
0.45x10 = 4.5
Alina [70]3 years ago
4 0
Each muffin cost $0.45
If you multiply $0.45 by 10 you will get $4.50.
Your answer is $4.50
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Suppose that we are testing a coin to see if it is fair, so our hypotheses are: H0: p = 0.5 vs Ha: p ≠ 0.5. In each of (a) and (
aleksley [76]

Answer:

H_0: p = 0.5\\H_a: p \neq 0.5

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refer the z table for p value

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a.  We get 560 heads out of 1000 tosses.

We will use one sample proportion test  

x = 560

n = 1000

\widehat{p}=\frac{x}{n}

\widehat{p}=\frac{560}{1000}

\widehat{p}=0.56

Formula of test statistic =\frac{\widehat{p}-p}{\sqrt{\frac{p(1-p)}{n}}}

                                       =\frac{0.56-0.5}{\sqrt{\frac{0.5(1-0.5)}{1000}}}

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refer the z table for p value

p value = .000148

p value of part B is less than Part A because part B have 10 times the number the tosses.

6 0
2 years ago
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Answer:

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7 0
3 years ago
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