bac-s-maths 2020 Q1

bac-s-maths · France · polynesie 1 marks Binomial Distribution MCQ Selecting a Binomial Probability Expression or Value
An urn contains 5 red balls and 3 white balls indistinguishable to the touch.
A ball is drawn from the urn and its colour is noted. This experiment is repeated 4 times, independently, by replacing the ball in the urn each time.
The probability, rounded to the nearest hundredth, of obtaining at least 1 white ball is: Answer A: 0.15 Answer B: 0.63 Answer C: 0.5 Answer D: 0.85
An urn contains 5 red balls and 3 white balls indistinguishable to the touch.

A ball is drawn from the urn and its colour is noted.\\
This experiment is repeated 4 times, independently, by replacing the ball in the urn each time.

The probability, rounded to the nearest hundredth, of obtaining at least 1 white ball is:\\
Answer A: 0.15 \quad Answer B: 0.63 \quad Answer C: 0.5 \quad Answer D: 0.85