(Answered) The contents of a particular bottle of shampoo marked as

Statistics

The contents of a particular bottle of shampoo marked as 150 ml are found to be 153 ml at an average, with a standard deviation of 2.5 ml. What proportion of shampoo bottles contain less than the marked quantity? Assume a normal distribution.

a. 0.2192

b. 0.0548

c. None of the others

d. 0.4452

e. 0.1151

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