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slamgirl [31]
3 years ago
14

Set theory Need answers quick

Mathematics
1 answer:
Vitek1552 [10]3 years ago
3 0

Answer:

4. {2,4,6,8}

5. [(-2, -1), (1, 8)}

9. {0, 2}

Step-by-step explanation:

The intersection of the given sets is the set that contains elements common to all of the given the sets.

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BigorU [14]

Answer:

60%

Step-by-step explanation:

6 dimes is 10x6 and a dollar would have 10 dimes so 60%

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earnstyle [38]

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8 0
3 years ago
Suppose that a study of elementary school students reports that the mean age at which children begin reading is 5.4 years with a
Tpy6a [65]

Answer:

By the Central Limit Theorem, the mean of the sampling distribution of sample means would be 5.4 years.

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

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In this problem, we have that:

The mean for the entire population is 5.4 years.

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7 0
4 years ago
Every morning, a deli offers a “commuter special” in which customers can select a pastry, beverage, and a copy of one of the loc
mars1129 [50]
To find the number of possible combinations, you multiple the possible number of outcomes for each category together. For example, there are 5 choices of pastries, 4 choices of drinks, and 2 newspaper choices, so normally there are 5 x 4 x 2=40 possible combinations. Without a muffin, these numbers would change to 4 x 4 x 2=32. The difference would be 8 possible options, so choice C.
3 0
4 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
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