You add eight three times (8+8+8=24)
68% will be 1 standrd deviation either side of the mean so a reasonable estimate will be (25*0.68) / 2 = 8.5
I really don't know I'm not big on school subjects
Step-by-step explanation:
(x+4)(2x−5)(x−1)
----------------------c
(x+1)(x+4)(2x−5)
(x+4)^(1-1)(2x-5)^(1-1)(2x-5)^(1-1)
(x+4)°(2x−5)°(x−1)°
1×1×1
1
law of indices says that x²/x=x^(2-1)=x
Answer:
C
Step-by-step explanation:
The median number is 7 and the seventh runner is in interval 10-15
