bac-s-maths 2014 Q2

bac-s-maths · France · centres-etrangers 1 marks Binomial Distribution MCQ Selecting a Binomial Probability Expression or Value
Question 2
In this hypermarket, a computer model is on promotion. A statistical study made it possible to establish that, each time a customer is interested in this model, the probability that they buy it is equal to 0.3. We consider a random sample of ten customers who were interested in this model. The probability that exactly three of them bought a computer of this model has a value rounded to the nearest thousandth of: a. 0.900 b. 0.092 c. 0.002 d. 0.267
\section*{Question 2}
In this hypermarket, a computer model is on promotion. A statistical study made it possible to establish that, each time a customer is interested in this model, the probability that they buy it is equal to 0.3. We consider a random sample of ten customers who were interested in this model.\\
The probability that exactly three of them bought a computer of this model has a value rounded to the nearest thousandth of:\\
a. 0.900\\
b. 0.092\\
c. 0.002\\
d. 0.267