# Question: If 3 of the 1000 test subjects are randomly selected

If 3 of the 1000 test subjects are randomly selected, find the probability that they all had false negative results. Is it unlikely to randomly select subjects and get 3 results that are all false negative results?

a. Assume that the 3 selections are made with replacement.

b. Assume that the 3 selections are made without replacement.

a. Assume that the 3 selections are made with replacement.

b. Assume that the 3 selections are made without replacement.

## Answer to relevant Questions

If 3 of the 1000 test subjects are randomly selected, find the probability that they all had correct test results (either true positive or true negative). Is such an event unlikely? a. Assume that the 3 selections are made ...The FAA requires that commercial aircraft used for flying in instrument conditions must have two independent radios instead of one. Assume that for a typical flight, the probability of a radio failure is 0.0035. What is the ...Refer to the figure at the top of the next page in which surge protectors p and q are used to protect an expensive 3D HDTV. If there is a surge in the voltage, the surge protector reduces it to a safe level. Assume that each ...According to FBI data, 12.4% of burglaries are cleared with arrests. A new detective is assigned to five different burglaries. a. What is the probability that at least one of them is cleared with an arrest? b. What is the ...Based on the data in Table 4-1, assume that the probability of a randomly selected person testing positive for drug use is 0.134. If drug screening samples are collected from 8 random subjects and combined, find the ...Post your question