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chubhunter [2.5K]
3 years ago
13

A distribution of values is normal with a mean of 200 and a standard deviation of 15. From this distribution, you are drawing sa

mples of size 18.
Find the interval containing the middle-most 70% of sample means:
Mathematics
1 answer:
dalvyx [7]3 years ago
7 0

Answer:

70÷100×200=140

Step-by-step explanation:

Because 70 is the percentage of 140

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She got a %40 discount

Step-by-step explanation:


8 0
3 years ago
Lknkonojhuyhyiu<br>l<br>efheifyefteusftsturfstufs
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Answer: they would both have $240 in 3 months

Step-by-step explanation:

180 + 20 + 20 + 20 = 240

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180+20=200+20=220+20=240

120+40=160+40=200+40=240

and there u go :)

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Which of the statements are correct? (2 points)
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hodyreva [135]

Answer:

- x {}^{2} - 10 = 34

6 0
3 years ago
Help please whats the answer
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<h3>Answer:</h3>

12 students

<h3>Explanation:</h3>

40% earned a B; 20% earned an A, so (40%+20% =) 60% got a "B or better."

60% of 20 students is ...

... 60/100 × 20 students = 1200/100 students = 12 students

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