Question:
A die is thrown repeatedly. Expected number of throws required until two consecutive throws shows an even number____.
A die is thrown repeatedly. Expected number of throws required until two consecutive throws shows an even number____.
Updated On: Feb 8, 2024
Hide Solution
Verified By Collegedunia
Correct Answer: 6
Solution and Explanation
The correct answer is 6.
Was this answer helpful?
0
0
Top Questions on Probability
- If A and B are two events such that \( P(A \cap B) = 0.1 \), and \( P(A|B) \) and \( P(B|A) \) are the roots of the equation \( 12x^2 - 7x + 1 = 0 \), then the value of \( \frac{P(A \cup B)}{P(A \cap B)} \) is:
- JEE Main - 2025
- Mathematics
- Probability
- Two balls are selected at random one by one without replacement from a bag containing 4 white and 6 black balls. If the probability that the first selected ball is black, given that the second selected ball is also black, is \(\frac{m}{n}\), where gcd(m, n) = 1, then m + n is equal to:
- JEE Main - 2025
- Mathematics
- Probability
- A board has 16 squares as shown in the figure. Out of these 16 squares, two squares are chosen at random. The probability that they have no side in common is: \includegraphics[]{10.PNG}
- JEE Main - 2025
- Mathematics
- Probability
- A die with numbers 1 to 6 is biased such that \( P(2) = \frac{3}{10} \) and the probability of other numbers is equal. Find the mean of the number of times number 2 appears on the die, if the die is thrown twice.
- Three persons, Amber, Bonzi, and Comet, are manufacturing cars that run on petrol and battery. Their production share in the market is:
- Amber: 60%
- Bonzi: 30%
- Comet: 10%
- Amber: 20%
- Bonzi: 10%
- Comet: 5%
View More Questions
Questions Asked in GATE AR exam
- Which of the following methods is/are used in traffic survey to measure the Running Speed and Journey Speed?
- GATE AR - 2024
- Traffic survey methods, Traffic flow Analysis
- For the beam shown below, ignoring the self-weight, the maximum hogging moment (in kN·m) generated for the loads indicated is _______ (rounded off to one decimal place).
- GATE AR - 2024
- High Rise and Long Span structures, gravity and lateral load resisting systems
- Let f: R→ R be a function. Note: R denotes the set of real numbers.
\(f(x) = \left\{ \begin{array}{ll} -x, & \text{if } x < -2 \\ ax^2+bx+c, & \text{if }\ x \in[-2,2]\\ x, & \text{if } x>2 \end{array} \right.\)
Which ONE of the following choices gives the values of a, b, c that make the function f continuous and differentiable ?- GATE AR - 2024
- Differential Equations
- Consider the dataset with six datapoints : {(x1, y1), (x2, y2), ..., (x6, y6)}, where x1 = \(\begin{bmatrix} 1 \\ 0 \end{bmatrix}\), x2 = \(\begin{bmatrix} 0 \\ 1 \end{bmatrix}\), x3 = \(\begin{bmatrix} 0 \\ -1 \end{bmatrix}\), x4 = \(\begin{bmatrix} -1 \\ 0 \end{bmatrix}\), x5 = \(\begin{bmatrix} 2\\ 2 \end{bmatrix}\), x6 = \(\begin{bmatrix} -2 \\ -2 \end{bmatrix}\) and the labels are given by y1 = y2 = y5 = 1, and y3 = y4 = y6 = -1 .A hard margin linear support vector machine is trained on the above dataset. Which ONE of the following sets is a possible set of support vectors?
- GATE AR - 2024
- Database Concepts
- A ramp with a slope of 1 : 12 is required for wheelchair access. Intermediate landings of length 1.5 m each have to be provided after every 9 m running length. The running length of a straight ramp including landing, to negotiate a level difference of 900 mm vertical height, in m, is ( rounded off to two decimal places).
- GATE AR - 2024
- Urban renewal and conservation
View More Questions