Renmember that
![\sqrt[3]{ab}=( \sqrt[3]{a})( \sqrt[3]{b})](https://tex.z-dn.net/?f=%20%5Csqrt%5B3%5D%7Bab%7D%3D%28%20%5Csqrt%5B3%5D%7Ba%7D%29%28%20%5Csqrt%5B3%5D%7Bb%7D%29%20%20%20)
and
![\sqrt[n]{x^m} =x^ \frac{m}{n}](https://tex.z-dn.net/?f=%20%5Csqrt%5Bn%5D%7Bx%5Em%7D%20%3Dx%5E%20%5Cfrac%7Bm%7D%7Bn%7D%20)
split it up
![\sqrt[3]{-1(x-7)^4} =( \sqrt[3]{-1} )( \sqrt[3]{(x-7)^4})](https://tex.z-dn.net/?f=%20%5Csqrt%5B3%5D%7B-1%28x-7%29%5E4%7D%20%3D%28%20%5Csqrt%5B3%5D%7B-1%7D%20%29%28%20%5Csqrt%5B3%5D%7B%28x-7%29%5E4%7D%29%20)
=
![(-1)((x-7)^ \frac{4}{3})=(-1)(x-7)(x-7)^ \frac{1}{3}=-(x-7) \sqrt[3]{x-7}](https://tex.z-dn.net/?f=%28-1%29%28%28x-7%29%5E%20%5Cfrac%7B4%7D%7B3%7D%29%3D%28-1%29%28x-7%29%28x-7%29%5E%20%5Cfrac%7B1%7D%7B3%7D%3D-%28x-7%29%20%5Csqrt%5B3%5D%7Bx-7%7D%20%20%20)
=
![(7-x) \sqrt[3]{x-7}=7\sqrt[3]{x-7}-x\sqrt[3]{x-7}](https://tex.z-dn.net/?f=%287-x%29%20%5Csqrt%5B3%5D%7Bx-7%7D%3D7%5Csqrt%5B3%5D%7Bx-7%7D-x%5Csqrt%5B3%5D%7Bx-7%7D)
and
split it up
On a coordinate plane, a curved line crosses the x-axis at (negative 1, 0) and the y-axis at (0, 2). Determine the intercepts. x
2 answers:
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Answer:
The 90% confidence interval is
Step-by-step explanation:
From the question we are told that
The sample size is n = 1007
The sample proportion is
From the question we are told the confidence level is 90% , hence the level of significance is
=>
Generally from the normal distribution table the critical value of is
Generally the margin of error is mathematically represented as
=>
=>
Generally 90% confidence interval is mathematically represented as
=>
=>