Activity 4.3. On My Own Check whether the sample is in each problem is sufficiently large enough to use the Central Limit Theorem in normal approximation. 6. A researcher claims that 75% of college students would rather spend their extra money for internet access loads than food. Another researcher would like to verify this claim. She randomly selected 400 students. Among them, 296 said that they would rather use their extra money for internet access loads than food. 7. Malakas made a claim that 95% of college male students in their school join triathlon. His friend, Baste, finds this hard to believe and decided to check the validity of such claim, so he took a random sample and found out that 75 out of 90 had joined the race. 8. A politician claims that he will receive 60% of the votes in the upcoming election. In a random sample of 500 voters, there are 175 who will surely vote for him. 9. A social worker reports that 4% of workers in a factory are below 21 years of age. Of the 120 employees surveyed, 8 said they are below 21 years old. 10. A certified public accountant (CPA) claims that more than 25% of all accountants advertise. A sample of 112 accountants in Metro Manila showed that 40 use some form of advertising