bac-s-maths 2016 QI.1

bac-s-maths · France · centres-etrangers 1 marks Normal Distribution Direct Probability Calculation from Given Normal Distribution
In an industrial bakery, a baguette is randomly selected from production. It is admitted that the random variable expressing its mass, in grams, follows the normal distribution with mean 200 and standard deviation 10.
Statement 1: The probability that the mass of the baguette is greater than 187 g is greater than 0.9.
Indicate whether this statement is true or false, justifying your answer.
In an industrial bakery, a baguette is randomly selected from production. It is admitted that the random variable expressing its mass, in grams, follows the normal distribution with mean 200 and standard deviation 10.

\textbf{Statement 1:} The probability that the mass of the baguette is greater than 187 g is greater than 0.9.

Indicate whether this statement is true or false, justifying your answer.