Question

An organisation selected 2400 families at random and surveyed them to

determine a relationship between income level and the number of vehicles in a

family. The information gathered is listed in the table below :

Monthly Income

(in `)

Vehicles per family

0 1 2 Above 2

Less than 7000 10 160 25 0

7000 – 10000 0 305 27 2

10000 – 13000 1 535 29 1

13000 – 16000 2 469 59 25

16000 or Above 3 579 82 88

Suppose a family is chosen. Find the probability that the family chosen is :

1) Earning ` 10000 – 13000 per month and owing exactly 1 vehicle.

2) Earning less than ` 7000 per month and owns exactly 2 vehicles.

3) Earning ` 13000 – 16000 per month and owing more than 2 vehicles.

4) Earning ` 16000 or more per month and does not own any vehicle.​

Answer 1

Answer:

than" (and any subsequent words) was ignored because we limit queries to 32 words.

Answer 2

Answer:

These things do not affect the direction of the inequality: Add (or subtract) a number from both sides. Multiply (or divide) both sides by a positive number. Simplify a side.