Question

The probability that a vehicle entering the Luray Caverns has Canadian license plates is 0.12; the probability that it is a camper is 0.28; and the probability that it is a camper with Canadian license plates is 0.09. What is the probability that a camper entering the Luray caverns has Canadian license plates? At first I thought that it was (0.12)(0.28) but I was wrong. Any comments?

Answer 1

"and the probability that it is a camper with Canadian license plates is 0.09"

Answer 2

hmmm. divide it up into 100 parts. 12 parts are canadian, 28 parts are campers

Answer 3

of these 12 and 28 parts, 9 parts are canadian campers

Answer 4

camper is given, so you're looking for the chance that any given camper entering the caves is canadian

Answer 5

@yrai you can find it if you know what you're looking for

Answer 6

"the probability that it is a camper with Canadian license plates is 0.09"

What is
the probability that a camper entering the Luray caverns has Canadian license plates?

isnt it still just .09?

Answer 7

no, it isn't. camper is given.

Answer 8

1) a vehicle has Canadian license plates is 0.12
2) it is a camper is 0.28
3) it is a camper with Canadian license plates is 0.09

What is the probability that:
a camper has Canadian license plates?

Answer 9

i might be reading it wrong, but i cant see where

Answer 10

0.1

Answer 11

oh sorry, are you referring to the 1st question? yup, that's the question

Answer 12

sorry can't follow what you're saying..make it simple

Answer 13

@Peter14 can you explain it again?

Answer 14

this is as simple as i can make it ... clear out the distraction words and we are left with

1) a vehicle has Canadian license plates is 0.12
2) it is a camper is 0.28
3) it is a camper with Canadian license plates is 0.09

What is the probability that:
a camper has Canadian license plates?

Answer 15

yes that's it

Answer 16

since the term camper is amibiguous, we can call the camper a truck ...

1) a vehicle has Canadian license plates is 0.12
2) it is a truck is 0.28
3) it is a truck with Canadian license plates is 0.09

What is the probability that:
a truck has Canadian license plates?

Answer 17

yes

Answer 18

yes is not an answer .....

Answer 19

I mean it's clear that's the question given above

Answer 20

1) X has Canadian license plates is 0.12
2) X is a truck is 0.28
3) X is a truck with Canadian license plates is 0.09

What is the probability that:
X is a truck with Canadian license plates?

Answer 21

then what's the solutions?

Answer 22

condition 1: 0.12
condition 2: 0.28
condition 3: 0.09

What is the probability of:
condition 3 ?

Answer 23

then?

Answer 24

@Peter14 your expertise is required :)

Answer 25

please @Peter14

Answer 26

@amistre64 can you help me solve another problem?

Answer 27

help me on this:
The resume’s of 2 male applicants for a college teaching position in chemistry are placed in the file as the resume’s of 2 female applicants. Two positions become available and the first, at the rank of assistant professor, is filled by selecting 1 of the 4 applicants at random. The second position, at the rank of instructor, is then filled by selecting at random 1 of theremaining 3 applicants. Using the notations M2F1, for example, to denote the simple eventthat the first position is filled by the 2 male applicant and the second position is filled bythe first female applicant:
(a) list the elements of the sample space S;
(b) list the elements of S corresponding to event A that the position of assistant professor is filled by a male applicant;
(c) list the elements of S corresponding to event B that exactly 1 of the 2positions was filled by a male applicant;
(d) list the elements of S corresponding to event C that neither position was filled by a male applicant;
(e) list the elements of S corresponding to the event A
(f) list the elements of S corresponding to the event A
(g) constructa Venn diagram to illustrate the intersections and unions of the events A, B, and C