Question

Suppose that 0.10 of population is colourblind if 25of sample drown from this population find probability that at least 7 have coroblind

Answer 1

Answer:

$P(X \geq 8)=22*10^{-4}$

Step-by-step explanation:

From The Question we are told that

Prob that population is colourblind $P(C)=0.10$

Sample size $N=25$

Generally the equation for Number of color blinds is mathematically given by

  $P(X \geq 8)=\sum^{25}_{x=8}(25..x)(0.10)^x(0.90)^25-x$

  $P(X \geq 8)=22*10^{-4}$