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julia-pushkina [17]
3 years ago
14

Ben randomly selects five students from his class, and collects data on the number of hours of sleep they got the previous night

. From these data, he computes a 95% confidence interval as 6.42 + 2. What may he conclude from this interval?
Mathematics
1 answer:
Ainat [17]3 years ago
8 0

Answer:

can you help me to How do wetlands form?

Tributaries flow into rivers.

Runoff travels down the side of a divide.

Water builds up in a depression left by an ice sheet.

Groundwater comes to the surface and floods the land.

Step-by-step explanation:

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3 years ago
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Alchen [17]

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3 0
4 years ago
Question 3
BigorU [14]

Answer:

  30 mph

Step-by-step explanation:

time = distance/speed

If x represents Jane's speed along the summit then her total exploration time is ...

  12/x + 40/(x -5) = 2 . . . . . hours

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  x^2 -31x +30 = 0

  (x -30)(x -1) = 0 . . . . . factor

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Jane's speed along the summit was 30 mph.

3 0
3 years ago
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