15% of all phones sold by a company are sent back for repair while their warranty is still in effect. If an agent manages to sell 20 of those phones, how likely is it that half or more of those sold...

15% of all phones sold by a company are sent back for repair while their warranty is still in effect. If an agent manages to sell 20 of those phones, how likely is it that half or more of those sold will send their phones back for repair while their warranty is still in effect?

Extracted text: O 0.00024 O 0.99975 O 0.0000386 O 0.99996 O 0.99891