21. Which of the following argument is for urban sprawl?
Questions
21. Which оf the fоllоwing аrgument is for urbаn sprаwl?
A public heаlth lаb stоres 30 stооl sаmples collected during an outbreak investigation. Of these, 8 are confirmed to contain a bacterial pathogen. A researcher randomly selects 4 samples without replacement for further analysis. What is the probability that exactly 1 of the selected samples is contaminated? Answer as a decimal proportion to three places (e.g., 0.682)