Answer:
Yes, because  is equivalent to
 is equivalent to 
Step-by-step explanation:
 and
 and 

Hope this helps!
 
        
             
        
        
        
He would spend $46.57, I think(I am not that good with rounding)
        
             
        
        
        
Answer:
Option D) $275
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = $235
Standard Deviation, σ = $20
We are given that the distribution of amount of money spent by students is a bell shaped distribution that is a normal distribution.
Formula:

We have to find the value of x such that the probability is 0.975
 
  
Calculation the value from standard normal z table, we have,  

 
 
Approximately 97.5% of the students spent below $275 on textbook.
 
        
             
        
        
        
The gardening kit costs $33.25. Multiply $95 by 0.35.