Question

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.

HELP ME!! HURRY

Answer 1

Answer: 2,10,15,42

Explanation:

Answer 2

2, 10%, 15, 42

Explanation:

18 / 9 = 2

Total number of students = 60

6 / 60 = 1/10 or 10%

1/3 ride the bus, so a sample of 45 would give 15

7/60 ride a bike so multiply by 360 = 42