The number of televisions a family owns has the following probability distribution:
1
2
3
4
5
P(x) 0.03 0.25 0.33 0.22 0.10 0.07
What is the expected number of televisions a family owns? (Do not round your
answer)
2.89
2.32
O 2
о
1.93

b

step-by-step explanation:

calculate the scale factor as the ratio of corresponding sides, image to original, that is

scale factor = = = = 1

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.