Question

During the winter it snows 3 out of every 10 days what is the probability that it will snow, in any given week 7 days, more than 3 times?

Answer 1

So you want the prob that it will snow 4 times, 5 times , 6 times or 7 times
or, what you don't want is 0 days of snow, 1 day of snow, 2 days of snow or 3 days of snow

each approach requires 4 calculations, so I suggest the first method.
Add up the 4 probabilities.
let me know what you got

Answer 2

I got 12.6% thank you!

Answer 3

correct, I had the same