(b)Find the probability that it is discolored.

(d)Find the probability that it is cracked or discolored

180 paving stones were examined for cracks, and 18 were found to be cracked. The same 180 stones were examined for discoloration, and 23 were found to be discolored. A total of 9 stones were both cracked and discolored. One of the 180 stones is selected at random. Round all answers to four decimal places.Part: 0 / 40 of 4 Parts CompletePart 1 of 4(a)Find the probability that it is cracked.

Which of the following probability cannot exist?Question 14Select one:a.None of the aboveb.2/5c.-1.5d.7

The eye colors of people who visited an eye clinic during one month are shown.(a) Find the probability of a person chosen at random has brown or green eyes.Probability:  %(b) Find the probability of a person chosen at random does not have brown eyes.Probability:  %

A technician is working in an environmental research laboratory. She has 1000 soil samples and 982 of them do not contain hazardous material.The technician randomly picks a soil sample. Let the event A and the event B be as follows.A: The sample the technician picks does not contain hazardous material.B: The sample the technician picks contains hazardous material.Find the following probabilities. Write your answers as decimal numbers and do not round.