In a certain lottery, five different numbers between 1 and 35 inclusive are drawn. These are the winning numbers. To win the lottery, a person must select the correct 5 numbers in the same order in which they were drawn. What is the probability of winning

Respuesta :

Answer:

[tex]Pr =\frac{1}{38955840}[/tex]

Step-by-step explanation:

Given

[tex]n = 35[/tex] ---- 1 to 35

[tex]r = 5[/tex] -- selection

Required

The probability of winning

The probability of getting the first number correctly is:

[tex]P(1) = \frac{1}{35}[/tex]

At this point, the remaining numbers are 34

So, the second selection has the following probability

[tex]P(2) = \frac{1}{34}[/tex]

Following the above sequence, we have:

[tex]P(3) = \frac{1}{33}[/tex]

[tex]P(4) = \frac{1}{32}[/tex]

[tex]P(5) = \frac{1}{31}[/tex]

So, the required probability is:

[tex]Pr =P(1) * P(2) * P(3) * P(4) * P(5)[/tex]

[tex]Pr =\frac{1}{35} *\frac{1}{34}*\frac{1}{33}*\frac{1}{32}*\frac{1}{31}[/tex]

[tex]Pr =\frac{1}{35*34*33*32*31}[/tex]

[tex]Pr =\frac{1}{38955840}[/tex]