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Gre4nikov [31]
2 years ago
14

The mean of a distribution of scores is 49, with a standard deviation of 16. Calculate the standard error for a distribution of

means based on samples of 30 people.
SAT
1 answer:
PolarNik [594]2 years ago
3 0

the standard error for a distribution is 33

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If Erica walks 4 miles in 60 minutes, then Erica will walk how far in 100 minutes if she walks at the
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Divide 60/4 = 15
100/15 = 6.666 which rounds to 6.67 or that rounds to 6.7
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A meteorologist predicts that a warm air mass and a cold air mass will meet over your vacation destination. Neither air mass con
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The correct answer is C. A stationary front that will cause an extended period of clouds or precipitation means packing rain gear and planning for precipitation during your trip.

Explanation:

The stationary front is a meteorological front on the border of cold and warm air, more common in summer. It is most often the limit of polar and mid-latitude air masses. It usually lasts in place for a maximum of a few days. The stationary front resembles a warm front or a slow cold front. The weather in the stationary front area is variable, often cloudy and often still rainy. In a few days, the stationary front will turn into either a cold or warm front, or its clouds will disintegrate.

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Cyber awareness challenge 2022 knowledge check
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Fill in the blank with the Spanish word that best completes the following sentence. Rodrigo y Martha van a __________ a Japón ma
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7 0
3 years ago
C=59(F−32)The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in de
Rama09 [41]

Answer:

D

Explanation:

Our answer choices are:

- A temperature increase of 1 degree Fahrenheit is equivalent to a temperature increase of 5/9 degrees Celsius.

- A temperature increase of 1 degree Celsius is equivalent to a temperature increase of 1.8 degrees Fahrenheit.

- A temperature increase of 59 degree Fahrenheit is equivalent to a temperature increase of 1 degree Celsius.

Let's try the first one. We can just choose any temperature and then use the number 1 larger than it; let's do F = 10:

C = (5/9) * (10 - 32) = (5/9) * (-22) ≈ -12.2

When F = 10 + 1 = 11:

C = (5/9) * (11 - 32) = (5/9) * (-21) ≈ -11.7

We see that indeed, -11.7 - (-12.2) ≈ 0.56 ≈ 5/9, so the first is correct.

For the second, let's see what happens when C = 10 and when C = 11:

10 = (5/9) * (F - 32)

F = 50

11 = (5/9) * (F - 32)

F = 51.8

Again we see that indeed 51.8 - 50 = 1.8

So, the second choice is also correct.

Thus, the answer is D.

7 0
3 years ago
Read 2 more answers
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