class 12 Math Algebra Probability

A ship is fitted with three engines $E_{1}$, $E_{2}$, and $E_{3}$,. The engines function independently of each other with respective probabilities $21 $. $41 $and $41 $ ,and For the ship to be operational at least two of its engines must function. Let X denote the event that the ship is operational and let $X_{1}$, $X_{2}$, and $X_{3}$ denote respectively the events that the engines $E_{1}$, $E_{2}$ and $E_{3}$,are functioning. Which of the following is (are) true?

Similar topics

determinants

matrices

binomial theorem

complex numbers and quadratic equations

sequences and series

determinants

matrices

binomial theorem

complex numbers and quadratic equations

sequences and series

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