<span>copper +copper = copper
0.14x+0.24(100-x) = 0.20*100 = 20</span>
Answer: 0.60
Step-by-step explanation:
Given: Mean : 
Standard deviation : 
The formula to calculate z is given by :-

For x= 20 minutes

The P Value =
Hence, the probability that a randomly selected shopper will spend less than 20 minutes in the store= 0.60
Answer:
Rhe equation would be y= -2x+8
No they are different speeds- 40mbps is faster , however both have the same units