In a musical chair game; the person playing the music has been advised to stop playing the music at any time within 2 minutes after she starts playing. What is the probability that the music will stop within the first half-minute after starting?

In a musical chair game, the person playing the music has been advised to stop playing the music at any time within 2 minutes after she starts playing . What is the probability that the music will stop within the first half-minute starting?

In a musical chairs game, a person has been advised to stop playing the music at any time within 40 seconds after its start. What is the probability that the music will stop within the first 15 seconds?

In a musical chairs game, a person has been advised to stop playing the music at any time within 40 seconds after its start. What is the probability that the music will stop within the first 15 seconds ?

In a musical chairs game, a person has been advised to stop playing the music at any time within 40 seconds after its start. What is the probability that the music will stop within the first 15 seconds?

In musical chair game,a person has been advised to stop playing music at any time within 40 sec after its start,what is the probability that music will stop within first 15 seconds.

Two persons A and B play a game of throwing a pair of dice until one of them wins. A will win if sum of numbers on dice appear to be 6 and B will win. If sum is 7. What is the probability that A wins the game if A starts the game.

After polling a class of 20 music students by a show of hands, you find that 8 students play the guitar and 9 students play the piano. Given that information, what is the minimum number of students in this music class who play both the guiter and the piano?

The table below shows the results of a survey of 250 people who were asked whether they like to read and whether they play a musical instrument. According the the results, what is the probability that a randomly selected person who was surveyed likes to read, given that the person plays a musical instrument?

A player X has a biased coin whose probability of showing heads is p and a player Y has a fair coin. They start playing a game with their own coins and play alternately. The player who throws a head first is a winner. If X starts the game, and the probability of winning the game by both the players is equal, then the value of 'p is :