Divide everything by five so your answer is 2x +4
Angie- .33
Blake- .6
Carlos- .7
Daisy- .5
Angie ran the least, and Carlos ran the most. Mark Brainliest if it helped!
Answer:
it depends if x is alr negaitve...
two positives equal a positive
two negatives equal a poitive
one negative and one positive equals a negative
Step-by-step explanation:
hope it helped
Answer:
The answer is "
"
Step-by-step explanation:
For the +4 sample proportion
Sample percentage measurements estimated stdev
![= \sqrt{\frac{[(0.45)(1-0.45)]}{[(16+4)]}}\\\\ = \sqrt{\frac{[(0.45)(0.55)]}{[(20)]}}\\\\ = \sqrt{\frac{0.2475}{20}}\\\\= \sqrt{0.012375}\\\\=0.111](https://tex.z-dn.net/?f=%3D%20%5Csqrt%7B%5Cfrac%7B%5B%280.45%29%281-0.45%29%5D%7D%7B%5B%2816%2B4%29%5D%7D%7D%5C%5C%5C%5C%20%3D%20%5Csqrt%7B%5Cfrac%7B%5B%280.45%29%280.55%29%5D%7D%7B%5B%2820%29%5D%7D%7D%5C%5C%5C%5C%20%3D%20%5Csqrt%7B%5Cfrac%7B0.2475%7D%7B20%7D%7D%5C%5C%5C%5C%3D%20%5Csqrt%7B0.012375%7D%5C%5C%5C%5C%3D0.111)
Calculating the critical z for a=0.1, two-tailed = 1.64
Calculating the confidence interval:
Answer:
Parallel lines
Step-by-step explanation:
