Answer:
Center = 15
Spread = 0.599
Shape = Normal
Step-by-step explanation:
The provided information is:

Thus the center(mean) of the distribution is:

The spread (standard deviation) of the distribution is:

The shape of the distribution is also normally distributed.
Answer:
multiplied by 3
Step-by-step explanation:
red is scaled up by 3 from blue
Answer:
20
Step-by-step explanation:
the number next to the variable is the coefficient.
20 is the coefficient, while w is the variable
1 is definately B
2 is B as well
Answer:
10%
Step-by-step explanation:
Given: CP of lemon is $600.
3/4 of lemon sold at 20% loss
Remaining lemon at 20% gain.
Considering the quantity of lemon remain constant.
Cost price of 3/4 of lemon= 
As given, 3/4 of lemon sold at 20% loss.
∴ Selling price of 
Selling price= 
Hence, selling price of 3/4 lemon is $360.
Now, the cost price of remaining lemon 
∴ The cost price of
As given, remaining 
∴ Selling price of 
Selling price of 
Hence, selling price of 1/4 lemon is $180
Loss\profit percent= 
∴ Loss\profit percent= 
Hence, the loss percentage is 10%