Answer:
The appropriate response is "0.9476".
Step-by-step explanation:
The given values are:
Standard deviation,

Randomly selected railroad-car shipments,
n = 500
As we know,
⇒ 
On substituting the values, we get
⇒ 
then,
⇒ 
⇒ 
On using the table of P, we get
⇒ 
⇒ 
Answer:
This is just multiplying not simplify.
Answer is D or the last choice