What should be added to both sides of this equation to solve for the variable? r + (-12) = 19
2 answers:
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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
⇒
⇒