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Vlad1618 [11]
3 years ago
14

A clinical trail tests a method designed to increase the probability of conceving a girl. In the study 280 babies were born, and

252 of them were girls. Use thr sample data to construct a 99%, confidence interveral estimate of the percentage of girls vorn. Baced on the result foes the method appesr to be effective?
Mathematics
1 answer:
Vitek1552 [10]3 years ago
4 0
Here is the answer have a great day
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Answer:

51

Step-by-step explanation:

Multiply 3 2/5 by 15

Change the mixed number to an improper fraction

3 2/5 = (5 * 3 + 2) /5 = 17/5

17/5 * 15

17 * 15/5

17 * 3

51

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-2 x (-8) = -1 x ? x (-8)
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Step-by-step explanation:

Please mark me brainliest if I helped !

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Two angles of a quadrilateral measure 200° and 50°. The other two angles are in a ratio of 4:7. What are the measures of those t
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Answer:

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Step-by-step explanation:

everything equals to 360 after added together

360 - 250 = 110

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3. Find the coordinates for the three bases and graph them below: (3 points: 1 point for each base)
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Here is the full answered document ;)

Step-by-step explanation:

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