Binomial Distribution exercise

[Odys]

How to solve this exercise?
Thank you!

 

[Deleted member 4993]

How to solve this exercise?
Thank you!
View attachment 24231

Please show us what you have tried and exactly where you are stuck.

Please follow the rules of posting in this forum, as enunciated at:

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Please share your work/thoughts about this problem.

 

[Steven G]

We solve it by you showing your attempt at this problem and then we give hints from there.