Modified Even Coins

Easy

Probability

nn coins are laid out in front of you. One of the coins is fair, while the other n−1n-1 have probability 0<λ<10 < \lambda < 1 of showing heads. If all nn coins are flipped, find the probability of an even amount of heads.

Notes

Unsaved

Related Topics:

Conditional Probability

Login to see hints or submit answers:

Back to All ProblemsYoutube Video Solution
Modified Even Coins

Easy

Probability

Login to view this Explanation:

Hi Quant Questions User, chances are you bought premium and got this screen. If that's the case, please refresh the page for the premium status to apply. Thank you for supporting us, we worked very hard making sure this website is created to help our users no matter the financial situation they are in. For our amazing users, we'd really like to give you access to all the questions. Thank you for supporting our engineers!

Valid Answers: [ $20/mo billed annually to Invest in your future today, $30/mo billed monthly to try it out and see if its worth it ]