A mobile operator company has to deal with 12 site down issues per hour. What is the probability that it will have to solve at least 4 site down issues within the next 10 minutes?

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next