Curve for µ = 12, σ = 3

Curve for µ = 10, σ = 10

Curve for µ = 20, σ = 5

Curve for µ = 20, σ = 20

−∞to∞−∞to∞

−∞to0−∞to0

0to∞0to∞

0 to 1

Fixed variable

Random variable

Continuous variable

Discrete variable

The number of trials n is large

The probability of success p is close to 0 and 1

The probability of success p is close to 1/2

Both (The number of trials n is large) and (The probability of success p is close to 1/2)

Commercial account

Bank account

E-mail account

Inbox

To

Two

Three

All of these

Razia Sultana

Raja Dahir

Prithvi Raj

Mehmood Ghanznavi

Makranis

Robbers

Fisher men

Pairates

China

Mexico

Pakistan

Iraq

φ, {a, b}

φ, {a}

φ, {a}, {b}, {a, b}

φ, {b}, {a, b}

6

4

7

8

2(2x-6y+8z)

2(2x-3y+4z)

2(2x-3y+8z)

2(2x-6y+4z)

3

5

6

4

x + 2

x - 2

x +3

x - 3

11.499 l

1149.9 l

114.99 l

11499 l

φ

{{φ}}

{ }

{φ}

8

9

11

10

720°

360°

90°

540°

21 cm

22 cm

98 cm

42 cm

7

10

5

6