If a seed is planted, it has 95% chance of growing healthy. If 12 seeds are olanted, whar is the probability that exactly 4 dont grow

Question

If a seed is planted it has a 95% chance of growing healthy. If 12 seeds are planted, what is the probability that exactly 4 dont grow

Answer 1

You want 8 successes out of 12 trials

(12 choose 8) ( 0.95)^8 (0.05)^4 = 0.002052456959... = 0.2052456959...%