Answer:
15
Step-by-step explanation:
the pattern is adding by three so 12+3=15
Answer: 360 = n
Step-by-step explanation:
1500= 5n - 300
+300 +300
1800=5n
1800/5
360=n
I would appreciate a brainliest, please?
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