Question

Suppose you toss a fair coin repeatedly and independently. If it comes up heads, you win a dollar, and if it comes up tails, you lose a dollar. Suppose you start with $20. What is the probability you will get to $150 before you go broke?

Answer 1

Answer:

it is simple as you start with 20 dollar, So in order to make it 150 dollar you need to toss the coin 130 times

the probability of getting head all time=

Step-by-step explanation:

=1/130×1/2