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Veseljchak [2.6K]
3 years ago
7

Select the correct answer.

Mathematics
1 answer:
timofeeve [1]3 years ago
7 0

Answer:

a

Step-by-step explanation:

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What's 187 divided by 7?
adell [148]
So,

187 divided by 7
187/7

Mixed: 26 5/7
Decimal: 26.714285 (there is a vinculum over the "714285")
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In June 2005, a CBS News/NY Times poll asked a random sample of 1,111 U.S. adults the following question: "What do you think is
Shtirlitz [24]

Answer:

The appropriate null hypothesis is H_0: p = 0.25

The appropriate alternative hypothesis is H_1: p < 0.25

Step-by-step explanation:

Exactly a year prior to this poll, in June of 2004, it was estimated that roughly 1 out of every 4 U.S. adults believed (at that time) that the war in Iraq was the most important problem facing the country.

At the null hypothesis, we test if the proportion is still the same, that is, of \frac{1}{4} = 0.25. So

H_0: p = 0.25

We would like to test whether the 2005 poll provides significant evidence that the proportion of U.S. adults who believe that the war in Iraq is the most important problem facing the U.S. has decreased since the prior poll.

Decreased, so at the alternative hypothesis, it is tested if the proportion is less than 0.25, that is:

H_1: p < 0.25

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3 years ago
Monique bought 3 1/2 pounds of hamburgers for $14 . What was the cost per pound ?
sertanlavr [38]
You need to do 14 divided 3/12 which gives you the cost per pound
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Answer:

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Step-by-step explanation:

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What is the opposite of -21? show all work
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21 is the opposite of -21
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