Hypothesis Testing Assignment

Solve the following using the five-step hypothesis testing procedure.

1. A movie and regulations personnel claims that 30% of all movies made are Rated G. If 13 out of the 40 randomly selected movies are Rated G, is the personnel's claim supported? Use 95% confidence level.
2. A television channel claims that 40% of the population who watch TV patronize their TV channel. After collecting 70 samples, they found that 30 of them watch the said TV channel. Use a 0.01 to test their claim.
3. A medical technologist claims that 25% of the chain-smokers are teenagers. After making a survey of 42 chain-smokers, he found that 8 of them are teenagers. Using 95% confidence level, test whether his claim is supported or not.
4. A college dean reported that 80% of all students majoring in Math are males. If 62 out of the 80 randomly selected college students who major in Math are males, is his claim supported? Use 99% confidence level.
5. A teacher believes that less than 20% of the students like Mathematics. If 13 out of the 60 randomly selected students like Mathematics, is the teacher's claim valid? Use 90% confidence level.

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