10 coins. 9 are fair and one is double-headed. (1). Randomly choose a coin, flip it, and put it back. What's the probability of

Question

2 years ago

13

getting 5 heads in 5 flips? (2). Now the coins will not be put back after each flip. What's the probability of getting 5 heads in 5 flips?

1 answer:

Black_prince [1.1K] · Answer 1 · 2022-08-13T18:23:11+03:00

7 0

Good evening ,

Answer:

(1) the probability of getting 5 heads in 5 flips = (9/10)⁵

(2) the probability of getting 5 heads in 5 flips = (9×8×7×6×5)÷(10×9×8×7×6) = 0,5.

:)