i need help discrete probablity 1.What is the probability that a randomly-chosen binary string of length 10 has exactly 3 ones? 2. A twenty-sided die is rolled. (The sides are labeled .1−20.) What is the probability that the result is at least 6? What is the probaility that the result is prime given that it is at least 6? What is the probability that the result is at least 6 and prime? What is the probability that the result is at least 6 or prime? ?

i need help discrete probablity 1.What is the probability that a randomly-chosen binary string of length 10 has exactly 3 ones? 2. A twenty-sided die is rolled. (The sides are labeled .1−20.) What is the probability that the result is at least 6? What is the probaility that the result is prime given that it is at least 6? What is the probability that the result is at least 6 and prime? What is the probability that the result is at least 6 or prime? ?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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i need help discrete probablity

1.What is the probability that a randomly-chosen binary string of length 10 has exactly 3 ones?

2. A twenty-sided die is rolled. (The sides are labeled .1−20.)

What is the probability that the result is at least 6?
What is the probaility that the result is prime given that it is at least 6?
What is the probability that the result is at least 6 and prime?
What is the probability that the result is at least 6 or prime?

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