A representative sample of 60 students from a middle school is surveyed. Each student is asked what transportation method they use to get to school. The table below shows the responses.
Transportation Method Number of Students
Ride a bike 7
Ride a bus 20
Ride in a car 18
Ride a scooter 6
Walk 9
Complete the statements about all the middle school students based on the sample results.
It is expected that
times as many students at the middle school ride in a car as walk to school.
It is expected that
% of the middle school students ride a scooter to school.
In a random sample of 45 students at the middle school, it is expected that
students ride a bus to school.
In a random sample of 360 students at the middle school, it is expected that
students ride a bike to school.
It is expected that 2 times as many students at the middle school ride in a car as walk to school.
It is expected that 10% of the middle school students ride a scooter to school.
In a random sample of 45 students at the middle school, it is expected that 15 students ride a bus to school.
In a random sample of 360 students at the middle school, it is expected that 42 students ride a bike to school.