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jasenka [17]
2 years ago
8

Martin wants to buy 4 plastic figures that cost $17 each. How much money does he need to save to purchase the figure?

Mathematics
2 answers:
liubo4ka [24]2 years ago
6 0
Well, Martin may have to save up for a bit! If Martin wants 4 figures that cost 17 dollar each, we can find Martin's total by multiplying 4 by 17. 4 x 17 = 68, so Martin would need to save up 68 dollars if he wants to buy 4 figurines. I hope that helps! Have a great day! :)
Nat2105 [25]2 years ago
3 0
1 figure = $17 so you multiply 4 and 17 to get 68 
Martin will need to save $68
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Answer:

B: 4 and 5

Step-by-step explanation:

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2 years ago
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Anni [7]

Answer:

Hey mate....

Step-by-step explanation:

This is ur answer.....

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= (Multiplication of 23)

= 23 x 5 + 2

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2 years ago
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Darya [45]

Answer:

Brand 1    Brand 2    Difference

37734       35202        2532

45299      41635         3664

36240      35500        740

32100      31950         150

37210       38015       −805

48360     47800        560

38200    37810          390

33500    33215        285

Sum of difference = 2532+ 3664+740+150 −805+  560 +390 +285 = 7516

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Mean = d=939.5

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\text{Sample Standard deviation, s} = \sqrt{\dfrac{(x-\bar{x})^2}{n-1}}

=\sqrt{\dfrac{(2532-939.5)^2+(3664-939.5)^2+(740-939.5)^2 ...+(285-939.5)^2}{8-1}}

=1441.21

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c)Calculate a 99% two-sided confidence interval on the difference in mean life.

confidence level =99%

significance level =α= 0.01

Degree of freedom = n-1 = 8-1 =7

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Formula for confidence interval = \left( \bar{X} \pm t_{\frac{\alpha}{2}} \times \frac{s}{\sqrt{n}} \right)

Substitute the values

confidence interval = 939.5 \pm 3.499 \times \frac{1441.21}{\sqrt{8}} \right)

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2 years ago
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Ann [662]

Answer:Hello

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anzhelika [568]

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