Question

Donnell and Maria are both members of a populationand a simple random sample is being conducted. If the chance of Donnell being selected is 1/290 what is the chance of Maria being selected?
A. 1/29000
B. 1/290
C. 1/2900
D. 1/29

Answer 1

Answer:

289/290

Step-by-step explanation:

Given that the chance of Donnell being selected is 1/290

then P( Donnell being selected )= 1/290

Since Donnell and Maria are both member of a population.

from probability theorem which gives the likely hood of an event to happen which cannot be more than 1, then the probability of Donnell and Maria to be selected is 1

P(Donnell and Maria)= 1

But the chance of Donnell being selected is 1/290

Then,

1/290 + P(Maria)= 1

P(Maria)= 1-(1/290)

= 289/290

the chance of Maria being selected is 289/290