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AleksAgata [21]
3 years ago
7

Could someone help me with this?

Mathematics
2 answers:
xz_007 [3.2K]3 years ago
8 0

Answer:

1st one is 1

2nd one is 17^9

saveliy_v [14]3 years ago
4 0
The first one is 1
The second one is 17^9
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Krutika, David and Mark share some sweets in the ratio
Aneli [31]

Answer:

120

Step-by-step explanation:

Krutika:48

David: 48

Mark: 48÷2= 24

Because 2 : 2 : 1

48+48+24=120

3 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}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this problem, we have that:

The mean for the entire population is 5.4 years.

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

7 0
4 years ago
Simplify n- (1 -[n- (1 - n) - 11).
Rashid [163]
N-(1-|n-(1-n)-11)
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7 0
3 years ago
Please help with this! 20 points and brainliest I just need a simple explanation
Elena-2011 [213]

they are not congruent because

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Please sos I’m struggling <br> Statistics
Alex787 [66]

Answer:

Step-by-step explanation:

Haha

8 0
4 years ago
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