Answer: The z score that corresponds to the value x=22 is 0.4 .
Step-by-step explanation:
Given : A normal distribution has a mean 20 and standard deviation 5.
i.e. 

Let x be the random selected variable.
We know that to find the z-score corresponds to the value x is given by :-

For x = 22, we have

Hence, the z score that corresponds to the value x=22 is 0.4
Answer:
your awnser should be. 4(x + 7 ) = -36
Nitrogen does make the weight increase based on the given information
Answer:
1) x=50
2) x=25
3) Option 2 is correct
Step-by-step explanation:
1) 20/20=x/50
x=50
2) 20/40=x/50
x=25
3) Option 2 is correct