West Bengal Board 12th Examination
There is a lot of examination which have the subject Bengali. So, you need to mention the name of the proper examination. You please mention it in the comment section. After that I will be able to suggest you about the question.
To find Inflection points you need to know that inflection points are located one standard deviation above the mean and one standard deviation below the mean , so for any normal curve , you can easily find points of inflection , you can find the x-values for the points of inflection by subtracting the standard deviation from the mean and adding the standard deviation to the mean to get the two x values for the points of inflection.
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