Khan Academy | Making inferences from random samples
A group of randomly selected members of Mothers' Club were asked how many kids they have. The table below shows the results of the survey. There are 120 members in Mothers' Club. Based on the data, what is the most reasonable estimate for the number of Mothers' Clun members who have fewer than 2 kids?
Answer : 54
Emanuel surveyed a random sample of 50 subscribers to Auto Wheel magazine about the number of cars that they own. Of the subscribers surveyed, 15 own fewer than 2 vehicles. There are 340 subscribers to Auto Wheel magazine. Based on the data, what is the most reasonable estimate for the number of Auto Wheel magazine subscribers who own fewer than 2 vehicles?Choose 1 answer:
Answer : 102
Bounce Club surveyed a random sample of 55 of their members about their favorite type of music. Of the members surveyed, 22 said that jazz is their favorite type of music. There are 422 Bounce Club members. Based on the data, what is the most reasonable estimate for the number of Bounce Club members whose favorite type of music is jazz music? Choose 1 answer:
Answer : 169
A group of randomly selected Apple Valley High School students were asked to pick their favorite gym class. The table below shows the results of the survey. There are 528 students at Apple Valley High School. Based on the data, what is the most reasonable estimate for the number of students at Apple Valley High School whose favorite gym class is bowling? Choose 1 answer:
Answer : 172
Timpony School District surveyed a random sample of 60 middle school students about the amount of time they watch TV. Of the students surveyed, 14 average watching more than 4 hours of TV each day. There are 1143 middle school students in the Timpony School District. Based on the data, what is the most reasonable estimate for the number of Timpony School District middle school students who average watching more than 4 hours of TV each day? Choose 1 answer:
Answer : 267
A group of randomly selected Throne County citizens were asked to pick their favorite genre of music. The table below shows the results of the survey. There are 2006 Throne County citizens. Based on the data, what is the most reasonable estimate for the number of Throne County citizens whose favorite genre of music is rock? Choose 1 answer:
Answer : 953
Francis surveyed a random sample of 70 students at Franklin High School about their favorite season. Of the students surveyed, 18 chose fall as their favorite season. There are 1816 students at Franklin High School. Based on the data, what is the most reasonable estimate for the number of students at Franklin High School whose favorite season is fall? Choose 1 answer:
Answer: 467
