In a large population, 61% of the people are vaccinated, meaning there are 39% who are not. The problem asks for the probability that out of the 4 randomly selected people, at least one of them has been vaccinated. Therefore, we need to add all the possibilities that there could be one, two, three or four randomly selected persons who were vaccinated.
For only one person, we use P(1), same reasoning should hold for other subscripts.
P(1) = (61/100)(39/100)(39/100)(39/100) = 0.03618459
P(2) = (61/100)(61/100)(39/100)(39/100) = 0.05659641
P(3) = (61/100)(61/100)(61/100)(39/100) = 0.08852259
P(4) = (61/100)(61/100)(61/100)(61/100) = 0.13845841
Adding these probabilities, we have 0.319761. Therefore the probability of at least one person has been vaccinated out of 4 persons randomly selected is 0.32 or 32%, rounded off to the nearest hundredths.
Answer:
1. D
2. E
3. B
4. C
5. A
5. F
Step-by-step explanation:
The <u>median</u> can be found at the line inside of the box, the <u>heaviest</u> weight would be found at the right end of the line, and the <u>smallest </u>weight would be found at the left, the <u>interquartile range</u> is the difference of one end of the box to the other, and the<u> range</u> is the difference of the largest number of the entire diagram, from the smallest number.
Hope this helps you!
If charlie gets £108, then alice gets £81
Answer: I can barley see -_-
Step-by-step explanation:
Answer: -2 degrees Celsius
Step-by-step explanation:
