Class/Course - Engineering Entrance

Subject - Mathematics

Chapter - Statistics and Probabilty


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Q.1 Consider 5 independent Bernoullis trials each with probability of success p . If the probability of at least one failure is greater than or equal to $\frac{31}{32}$, then p lies in the interval
  $\left (\frac{3}{4}, \frac{11}{12} \right ]$
  $\left [0, \frac{1}{2} \right ]$
  $\left ( \frac{11}{12},1 \right ]$
  $\left (\frac{1}{2}, \frac{3}{4} \right ]$