Answer:
2 white roses.
A dozen is 12.
12-10 red roses = 2 white roses
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:
y=1.7
x=.9
Step-by-step explanation:
Answer: 0.9660
Step-by-step explanation:
Given: Mean : 
Variance : 
⇒ Standard deviation : 
The formula to calculate z is given by :-

For x= -3

The P Value =
For x= 3
The P Value =

Hence, the probability that a given error will be between -3 and 3=0.9660