Clare estimates that her brother is 4 feet tall. When they get measured at the doctor’s office, her brother’s height is 4 feet,
1 answer:
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Answer:
0.1222 or 12.22%
Yes, it is unlikely.
Step-by-step explanation:
If the probability of someone being infected is 0.005, then the probability of someone not being infected is 0.995. In order for the combined sample to test negative (N), all of the 26 people must test negative. Thus, the probability that the combined sample tests positive is:
There is a 0.1222 or 12.22% probability that the combined sample tests positive, which is unlikely to occur.