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Dmitriy789 [7]
3 years ago
13

What is the area of the composite figure?

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
4 0
100cm2 that is the answer I got
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The volume of one of the Great Lakes is 3.5 × 10^3 cubic kilometers. If there are 6.3 × 10^7 fish in the lake, what is the avera
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________________1,8*10^4
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3 years ago
f a sampling distribution is created using samples of the amounts of weight lost by 51 people on this diet, what would be the st
galina1969 [7]

This question is incomplete, the complete question is;

A study on the latest fad diet claimed that the amounts of weight lost by all people on this diet had a mean of 24.6 pounds and a standard deviation of 8.0 pounds.

Step 2 of 2 : If a sampling distribution is created using samples of the amounts of weight lost by 51 people on this diet, what would be the standard deviation of the sampling distribution of sample means? Round to two decimal places, if necessary.

Answer:

the standard deviation of the sampling distribution of sample means is 1.12

Step-by-step explanation:

Given the data in the question,

population mean; μ = 24.6  pounds

Population standard deviation; σ = 8.0 pounds

sample size; n = 51

Now determine the standard deviation of the sampling distribution of sample means.

standard deviation of the sampling distribution of sample means is simply

⇒ population standard deviation / √sample size

= 8.0 / √51

= 8.0 / 7.141428

= 1.120224 ≈ 1.12

Therefore, the standard deviation of the sampling distribution of sample means is 1.12

5 0
3 years ago
Find the balance in the account after the given period.
Likurg_2 [28]

Answer:

2240

Step-by-step explanation:

I think you find 3% of 2000 which is 60

Then you multiply that by 4 which is 240

Add it to the 2000

and get 2240

6 0
3 years ago
To find difference 7-3 5/12 how do you rename the 7
Nookie1986 [14]
7 would probably end up being 6 12/12 if I am doing his correctly.
4 0
3 years ago
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What fraction is equal to 90/4
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45/2 can't be simplified.
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