Answer:
99.8%  is the percent of bags contain between 62 and 86 potato chips.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 74
Standard Deviation, σ = 4
We are given that the distribution of number of potato chips in a bag is a bell shaped distribution that is a normal distribution.
Formula:

P( bags contain between 62 and 86 potato chips)
 

 
        
                    
             
        
        
        
Answer:
15 pieces :)
Step-by-step explanation: 30 percent of 50 is 15
 
        
                    
             
        
        
        
The slope formula can be used to prove a triangle has
 <span>a right angle 
and slope formula also prove that lines are parallel
so i conclude option B is correct
hope it helps</span>