Of the 1,000 students in a local college, 420 own brand X mobile phones and 580 own brand Y mobile phones. Of these students, 80

Question

3 years ago

11

Of the 1,000 students in a local college, 420 own brand X mobile phones and 580 own brand Y mobile phones. Of these students, 80

own both brands of mobile phones. Find the probability that a student chosen at random has a brand X mobile phone given that he has a brand Y mobile phone.

Mathematics

2 answers:

Eddi Din [679] · Answer 1 · 2022-05-27T16:54:13+03:00

Eddi Din [679]3 years ago

7 0

If we were to put this in terms of a venn diagram, we would have 360 owning only brand X, 500 owning only brand Y, and 80 in between, owning both. Therefore, 80 out of the 580 owners of brand Y may have X as well, which we put into fraction form 80/580, and reduce to 4/29.

Mars2501 [29] · Answer 2 · 2022-05-27T18:57:39+03:00

Mars2501 [29]3 years ago

6 0

Answer:

D. 4/29

Step-by-step explanation: Plato only