Te difference of 2 standard deviation of a population n1 & n2 is given by the formula:
sigma (difference)=√(sigma1/n1 + sigma2/n2), Plug:
sigma(d)= √(49/100 + 36/50)
Sigma(d=difference) =1.1
Answer: the correct answer is 9(x2+6x+9)=103 so it’s d
Step-by-step explanation:
Did it on edgunity
In 1 hour you pick 60 lines, so in 8 hours you pick 60*8 = 480 lines
Answer:
Step-by-step explanation:
3a+10-4q+7a-4q-6 combine terms
10a-8q+4
