In a cement factory, from a randomly selected 275 people, at least 150 of them have at least 1 kid. Test the hypothesis at %95 confidience that 50 percent of the workers have at least 1 kid. (Use the Ztable please)

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The executives of an accounting firm plan to survey a random sample of clients to determine how satisfied they are with the service they have received. Of the firm's 5412 regular clients, 500 are surveyed and 435 claim to be very satisfied with the service they have received. The sample is the: 5412 regular clients.   500 clients surveyed.   65 clients that were not satisfied.   435 satisfied clients.

An airport in a country that has an elevated occurance of terrorism profiles airline passengers and semi-randomly selects who will undergo additional screening. If one person is stoped, everyone they are traveling with is also stopped. Over the course of several months, the airport security stops 15% of passengers for this extra screening. On a certain day. 519) passengers go through security at this airport. Let the variable be the number of those people who are chosen for additional screening. Is the number of passengers who are chosen for additional screening a binomial random variable? Select all that apply. Yes. All four conditions are met. No. There is not a fixed number of trials. No. The trials cannot reasonably be assumed to be independent. No. The outcomes cannot be described as only "success" and "failure." No. The probability of success is not the same for each trial.