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notka56 [123]
3 years ago
11

PLEASEEEE HELP!!!!! I WILL MAKE BRAINLEST!!!!!!!!!!!! What's the common difference of 5,10,20,40

Mathematics
1 answer:
Mashutka [201]3 years ago
3 0

Answer:

Geometrical sequence of x2, each number is being multiplied by 2.

Step-by-step explanation:

10/5 = 2

20/10 = 2

40/20 = 2

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Answer:

The 95% confidence interval on the true proportion of helmets of this type that would show damage from this test is (0.169, 0.397).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

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In which

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So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

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The upper limit of this interval is:

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The 95% confidence interval on the true proportion of helmets of this type that would show damage from this test is (0.169, 0.397).

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3 years ago
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Step-by-step explanation:

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5a. 5.768km = 5768m = 57.7m

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To round to the nearest 100m just divide by 100 and then round it off. like 57.68=57.7m because 8 is more than 5 so 6 becomes 7 to one decimal.

Rule is applied for all the other questions too.

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4 years ago
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