here is your answer hope it's helpful for you
Answer: D. -0.6
Step-by-step explanation:
Z score formula= x-mean/ SD
34-40/10= -3/5= -0.6
On this problem, just use the information you know. So...
Kimtoya rides at a rate of 12.5 kilo. per hour and Sidney rides at a rate of 12.5 kilo. per hour. Kimtoya's rate of speed is equal to Sidney's rate of speed.
(You get Sidney's rate of speed by dividing the x and y from the table, 2 and 25 which gets you to 12.5.)
Brainly please!