Answer=1 21/100 or 1.21
121/100 is equivalent to 1 21/100
you can solve for this by subtracting 100, the denominator, from 121, the numerator. 121-100=21. So we know that 121/100 can be simplified to one whole with 21/100 remaining...
Answer:
Range. The range of a function is the complete set of all possible resulting values of the dependent variable (y, usually), after we have substituted the domain. In plain English, the definition means: The range is the resulting y-values we get after substituting all the possible x-values
Step-by-step explanation:
Answer: Fourth option is correct.
Step-by-step explanation:
Since we have given that
Mean of sample = 65.3
Standard deviation = 5.2
We need to find the 90% confidence interval for the mean.
So, z = 1.64
And the interval would be
![\bar{x}\pm z\times \dfrac{\sigma}{\sqrt{n}}\\\\=65.3\pm 1.64\times \dfrac{5.2}{\sqrt{36}}\\\\=65.3\pm 1.42\\\\=(65.3-1.42,65.3+1.42)\\\\=(63.88,66.72)\\\\=(63.9,66.7)](https://tex.z-dn.net/?f=%5Cbar%7Bx%7D%5Cpm%20z%5Ctimes%20%5Cdfrac%7B%5Csigma%7D%7B%5Csqrt%7Bn%7D%7D%5C%5C%5C%5C%3D65.3%5Cpm%201.64%5Ctimes%20%5Cdfrac%7B5.2%7D%7B%5Csqrt%7B36%7D%7D%5C%5C%5C%5C%3D65.3%5Cpm%201.42%5C%5C%5C%5C%3D%2865.3-1.42%2C65.3%2B1.42%29%5C%5C%5C%5C%3D%2863.88%2C66.72%29%5C%5C%5C%5C%3D%2863.9%2C66.7%29)
Hence, Fourth option is correct.
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