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zzz [600]
2 years ago
5

Provides data on sleep deprivation rates of Californians and Oregonians. The proportion of California residents who reported ins

ufficient rest or sleep during each of the preceding 30 days is 8.0%, while this proportion is 8.8% for Oregon residents. These data are based on simple random samples of 11,545 California and 4,691 Oregon residents.
(a) Conduct a hypothesis test to determine if these data provide strong evidence the rate of sleep deprivation is different for the two states.

(b) It is possible the conclusion of the test in part (a) is incorrect. If this is the case, what type of error was made?
Mathematics
1 answer:
Bond [772]2 years ago
8 0

Answer:

Step-by-step explanation:

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D) Calculate the area of a circle with a circumference of 31.4 in.
dsp73

Answer:

A ≈ 78.54

Step-by-step explanation:

Area of a circle is A=πr^2

Since you do not know r (radius) you take the formula for the circumference of a circle (C=2πr), plug in 31.4 for C, and solve for r

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Valentin [98]
<span>120 degs --> 1/3 of the circumference :) hope i helped!</span>
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joja [24]

Answer:

1/10

Step-by-step explanation:

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6 0
2 years ago
1. Explain in a complete sentence if the point (2, -4) is the solution to the system of equations. x + y = -2 2x – y = 8
Temka [501]
So, it says x + y = -2
we just plug in the numbers so,
2 + - 4 = -2
This equation is true and can also be written as
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It also then says that 2x - y = 8
Again, you just plug in the numbers
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This equation is true and can also be writen as,
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7 0
3 years ago
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