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Lilit [14]
2 years ago
9

A keep tossing a fair coin, until he get 2 consecutive heads, define x to be the number of tosses for this process; b keep tossi

ng another fair coin, until he get 3 consecutive heads, define y to be the number of the tosses for this process.
Mathematics
1 answer:
devlian [24]2 years ago
8 0

Answer:


Step-by-step explanation:


I think you're making an incorrect assumption here. X and Y are two events based on two separate, independent series of coin tosses, from coins A and B, respectively. Here's an example:

Coin one:

T-T-T-T-H-H

Coin two:

H-H-H-T-T-T

<u><em>Event X (two heads in a row from coin A) occurred after event Y (three heads in a row from coin B). In the language of the question, X=6 and Y = 3. Since X>Y is a possible event in the space, P{X>Y} must be greater than zero.</em></u>

<em>answer:</em>

The problem can be broken down by the outcome of the first toss of the two coins.

Bearing arithmetic typos, the answer should be <u><em>43/58.</em></u>

<u><em>thanx</em></u>

<u><em>hope it helps youuu</em></u>



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