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snow_lady [41]
3 years ago
12

Find if f(x) = 2x - 1 and g(x) = x + 2.

Mathematics
1 answer:
Readme [11.4K]3 years ago
7 0

2x+3 is the answer.................................................................

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A sample of size 200 will be taken at random from an infinite population. given that the population proportion is 0.60, the prob
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Let p be the population proportion. <span>
We have p=0.60, n=200 and we are asked to find P(^p<0.58). </span>
The thumb of the rule is since n*p = 200*0.60 and n*(1-p)= 200*(1-0.60) = 80 are both at least greater than 5, then n is considered to be large and hence the sampling distribution of sample proportion-^p will follow the z standard normal distribution. Hence this sampling distribution will have the mean of all sample proportions- U^p = p = 0.60 and the standard deviation of all sample proportions- δ^p = √[p*(1-p)/n] = √[0.60*(1-0.60)/200] = √0.0012. 
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