Shooting star Problem
Level
pending
On sunday night, Evan goes stargazing. Unlike Friday, the conditions are better and now there is an 80% chance to see a star at any given hour. What is the probability that Evan will see a Shooting star in the first 15 minutes? (solve the shooting star warm up problem first before this one)
67%
about 10.33%
23.34%
43%
20%
about 33.1%
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1 solution
P(shooting stars 🌠in the first 15 minutes)
= 1 – (1 – 0.8)^(15/60)
= 1 – 0.2^0.25
= 1 – √√0.2
= 1 – 0.66874
= 33.126%