Answer:
Concept: Area
- We are given area hence 78.5 square meters
- We want the radius so we isolate
- Isolate for r to get r= 4.99 or 5 square units approximately
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2 answers:
Answer:
Step-by-step explanation:
Proportion
Ratio
___________
We have 6/12 and four fraction answer choices, all that have a bigger number than the numerator and denominator of 6/12 combined. We are asked to find the ratio equivalent to 6/12. To do this, we need to first realize that 6/12 simplified is 1/2. Meaning that our answer would be the ratio that is 1/2.
70/144 is not 1/2 simplifed, since 70 * 2 = 140. It is wrong
30/50 is not 1/2 simplified, scratch the 0's from the 3 and 5 to get the final fraction 3/5. It is wrong.
36/72 is 1/2 simplified, since 36 * 2 = 72. It is correct.
20/36 is not 1/2 simplified. It is incorrect
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Answer:
101, 3, 0.025, 0.7416
Step-by-step explanation:
Given that a random sample of n = 16 observations is selected from a population that is normally distributed with mean equal to 101 and standard deviation equal to 12.
As per central limit theorem we have
a) Mean of sample mean =
Std deviation of sample mean =
Mean = 101
Std dev =3.00
b)
c) the probability that the sample mean deviates from the population mean μ = 101 by no more than 4.
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