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A person has a 35 percent chance of winning on a scratch off lottery ticket. What is the probability she first wins of he sixth ticket?

A.(0.65)^3(0.35)
B.(6/3)(0.65)^3(0.35)
C.(0.35)^3(0.65)
D, (6/1)(0.35)^3(0.65)
E. 0.35

User Colette
by
5.0k points

1 Answer

1 vote

None of the options are correct

Explanation:

Given :

a person has 35% chance of winning on a scratch- off lottery ticket.

To find the probability that she wins the sixth ticket is,

P( she first wins the sixth ticket )

= _ _ _ _ _ _

the first 5 dashes represent does not win values ( prob = 0.65)

the last dash represents the win ( prob = 0.35)

= (0.65) ^5 * 0.35 {assuming independence

none of the option is correct.

User Anton Angelov
by
5.1k points