Answer:
Surveying a sample would be valid if the population contains a diverse group of people.
Answer:
2. x = 135
Step-by-step explanation:
im not sure about question 1
It would be 1 fjjffjdj fifth because the ending would replace the 8
Answer: D
Suppose that 35\%35%35, percent of students in a school can sing their national anthem correctly. The music teacher takes an SRS of 303030 students from the population of 750750750 students at the school and finds that 40\%40%40, percent of students sampled can sing their national anthem correctly. The teacher plans to take more samples like this.
Step-by-step explanation: Khan Academy Explanation