New deck at cut

[aceside]

Based on your reasoning, we toss 2 times and get heads. Nope. The chance to get heads in 2 tosses is 0.75. The chance to make get heads in 4 tosses is 95%. The chance to get heads in 7 tosses is 99%. The chance to get heads in 10 tosses is 99.9%.

Let me try to understand you here first. This coin toss example is confusing. You seemingly are saying this: the chance to get an at-least-one-head in two tosses is 0.75. The chance to get an at-least-one-head in 4 tosses is 95%. The chance to get an at-least-one-head in 7 tosses is 99%. The chance to get an at-least-one-head in 10 tosses is 99.9%. Is my understanding correct?

I like my streak of 777 in a 100-time-dice-rolling game. If I roll 100 times, each of the following examples is counted as ONE 777 streak:
777 …,
X777 …,
XY777 …,
XYZ7777 …,
XYZ777PQW77777Y ….

Do you agree?