H + 121 + 31 = 180
H + 152 = 180
H = 180 - 152
H = 28
Answer:
5/6
Step-by-step explanation:
bro ok this it ok okik
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:
132
cause you need to multiple by one thousand to get your ans2er
