Answer the questions below all parts and show work so i can undertsand

3. In an American Animal Hospital Association survey, 37% of respondents stated that they talk to their pets on the telephone. A veterinarian found this result hard to believe and took a random sample to test this claim. a) State the null and alternate hypotheses using variables and symbols. b) In general, what is a Type I error? c) Describe what a Type I error is for this problem in words.

4. In a recent year, some professional baseball players complained that umpires were calling more strikes than the average rate of 61% called the previous season. A randomly selected umpire called strikes in 2231 of the 3581 pitches (based on data from USA Today). Use = 5%. State the hypotheses, check conditions, then find the sample proportion and Z. Include a p-value sketch, state the p-value followed by your conclusion, including a sentence.