Question:
A discrete random variable X has the following probability distribution:
X 1 2 3 4 5 6 P(X) \(\frac{2}{k}\) \(\frac{4}{k}\) \(\frac{1}{k}\) \(\frac{2}{k}\) \(\frac{3}{k}\) \(\frac{5}{k}\)
The value of k is:
A discrete random variable X has the following probability distribution:
The value of k is:
| X | 1 | 2 | 3 | 4 | 5 | 6 |
| P(X) | \(\frac{2}{k}\) | \(\frac{4}{k}\) | \(\frac{1}{k}\) | \(\frac{2}{k}\) | \(\frac{3}{k}\) | \(\frac{5}{k}\) |
The value of k is:
Updated On: Jun 14, 2024
- \(\frac{2}{17}\)
- 17
- 5
- \(\frac{1}{17}\)
Hide Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
The correct option is (B): 17
Was this answer helpful?
0
0
Top Questions on Probability Distribution
- A random variable \( X \) has the following probability distribution:
X 0 1 2 otherwise P(X) k 2k 3k 0 Then:
(A) \( k = \frac{1}{6} \)
(B) \( P(X < 2) = \frac{1}{2} \)
(C) \( E(X) = \frac{3}{4} \)
(D) \( P(1 < X \leq 2) = \frac{5}{6} \)
Choose the correct answer from the options given below:- CUET (UG) - 2024
- Mathematics
- Probability Distribution
- For the following probability distribution:
X 3 4 5 P(X) 0.5 0.2 0.3 The mean, variance, and standard deviation respectively are:- CUET (UG) - 2024
- Mathematics
- Probability Distribution
- A random variable \( X \) has the following probability distribution:
X 0 1 2 3 4 5 6 7 P(X) 0 m 2m 2m 3m m² 2m² 7m² + m The value of m is:- CUET (UG) - 2024
- Mathematics
- Probability Distribution
- A random variable X has the following probability distribution:
X 1 2 3 4 5 6 7 P(X) k 2k 2k 3k k2 2k2 7k2 + k
Match the options of List-I to List-II:List-I List-II (A) k (I) 7/10 (B) P(X < 3) (II) 53/100 (C) P(X ≥ 2) (III) 1/10 (D) P(2 < X ≤ 7) (IV) 3/10
Choose the correct answer from the options given below.- CUET (UG) - 2024
- Mathematics
- Probability Distribution
- If the random variable X has the following distribution:
X 0 1 2 otherwise P(X) k 2k 3k 0
Match List-I with List-II:
Choose the correct answer from the options given below:- CUET (UG) - 2024
- Mathematics
- Probability Distribution
View More Questions
Questions Asked in CUET exam
- Who devised the concept of Intelligence Quotient (IQ)?
- CUET (UG) - 2024
- Psychological attributes
- Two resistances of 100 \(\Omega\) and 200 \(\Omega\) are connected in series across a 20 V battery as shown in the figure below. The reading in a 200 \(\Omega\) voltmeter connected across the 200 \(\Omega\) esistance is _______.
Fill in the blank with the correct answer from the options given below- CUET (UG) - 2024
- Current electricity
- Two parallel plate capacitors of capacitances 2 \(\mu F\) and 3 \(\mu F\) are joined in series and the combination is connected to a battery of V volts. The values of potential across the two capacitors \(V_1\) and \(V_2\) and energy stored in the two capacitors \(U_1\)and \(U_2\) respectively are related as_____
Fill in the blank with the correct answer from the options given below- CUET (UG) - 2024
- Electrostatics
- As per data collected in 2011, arrange the following Indian states in terms of child sex-ratio from lowest to highest:
(A) Punjab
(B) Haryana
(C) Tamil Nadu
(D) Sikkim
Choose the correct answer from the options given below:- CUET (UG) - 2024
- Social Inequality and Exclusion
- A molecule X associates in a given solvent as per the following equation:
X ⇌ (X)n
For a given concentration of X, the van’t Hoff factor was found to be 0.80 and the
fraction of associated molecules was 0.3. The correct value of ‘n’ is:- CUET (UG) - 2024
- Solutions
View More Questions