alleryStart learning →If $X \sim B(4, p)$ and $2P(X = 3) = 3P(X = 2)$, then $p$ equals:
- $4/13$
- $5/13$
- $9/13$
- $6/13$
Show answer and solution
Correct answer: C. $9/13$
$2 \cdot {}^4C_3 p^3 q = 3 \cdot {}^4C_2 p^2 q^2$
⇒ $8p = 18q$ ⇒ $p/q = 9/4$
⇒ $p = 9/13, q = 4/13$.
Indian Navy SSR Probability Equation — practice questions
Explore 1 free Probability Equation questions in Indian Navy SSR Mathematics. Open each question or exercise to read its content, reference answers and available explanation.
Practise Probability Equation with Quill →Probability Equation questions and exercises with answers
Showing questions 1–1 of 1.
Worked practice questions
How to practise
- Choose a Probability Equation question and try to work out your answer.
- Open the question to check the correct answer and read its worked solution.
- Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.