Question: The area under a particular normal curve to the left of 105 is 0.6227. A normally distributed variable has the same mean and standard deviation

The area under a particular normal curve to the left of 105 is 0.6227. A normally distributed variable has the same mean and standard deviation as the parameters for this normal curve. What percentage of all possible observations of the variable lie to the left of 105? Explain your answer.

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