Answer: 12 boys: 13 Girls
Step-by-step explanation: Nothing much really.
Answer:
i wouldsay b
Step-by-step explanation:
The probability that none of the four have been vaccinated is
(1-0.63)^4 = 0.01874161
The probability that at least one has been vaccinated is the complement of this,
≈0.9813
Answer:
2 books
Step-by-step explanation:
1+1=2