Answer:
Step-by-step explanation: I think that is correct, can you explain to me tho how you got that answer?
Answer:
11
Step-by-step explanation
because i added and subtrcted and minus
Answer:
z-score for 900 points = -4
Step-by-step explanation:
To find the z scores
z=(x-mean)/standard deviation
so
z=(900-1500)/150
z= -600/150