The probability of "at least one": using complements, problem 4

[@mayadaabuagla7924]

Keep going 😇

[@dmcguckian]

Thank you

[@Blahblahblah-b2d]

My calculator doesn’t have that button it’s different it’s the Ti-30xa can you please tell me which button to use to raise to a power.. you explain so clearly and simple thanks 🙏