aliensbrain
  • Home
  • Study
  • Quizzes
  • 🎤AI Practicefree
  • Notebooks
  • Community
  • Sign in
Multiple choice

A coin is tossed any number of times until a head appears. If $x$ denotes the number of tosses till head appear then $P(x\ge 3)=$

  1. $\dfrac {1}{2}$
  2. $1$
  3. $\dfrac {1}{4}$
  4. $\dfrac {3}{4}$
Reveal answer Fill a bubble to check yourself
B Correct answer

Keep practicing — related questions

  • Directions: Based on the information from the paragraph, choose the appropriate number 1 – 4 to complete th...
  • Out of three numbers, the first is 16 times the second and 4 times the third. If the average of all the thr...
  • What will be the output of the program? class Bitwise { public static void main(String [] args) { int x = 1...
  • switch(x) { default: System.out.println(Hello); } Which two are acceptable types for x? 1. byte 2. long 3. ...
  • Which of the following statements about electromagnetic spectrum is/are not correct? (A) The velocity of X-...
  • Which of the following are ionic solids? P. P4O10 Q. (NH4)3PO4 R. SiC S. LiBr
  • Consider the following statements: 1. P - waves are analogous to light waves. 2. S - waves are analogous to...
  • The theory explaining that the ratio between the number of X-chromosomes and the number of complete sets of...

Practice this chapter

  • Probability (1860 questions)
Advertisement
© Aliensbrain | all rights reserved
  • About
  • Contact
  • Terms and Condition
  • Privacy Policy