One hundred voters were asked their opinions of two candidates, a and b, running for mayor. their responses to three questions are summarized below number saying yes do you like a? 65 do you like b? 55 do you like both? 25 what is the probability that someone like exactly one given that they like at least one?

Question

02-11-2018
Mathematics

contestada

One hundred voters were asked their opinions of two candidates, a and b, running for mayor. their responses to three questions are summarized below number saying yes do you like a? 65 do you like b? 55 do you like both? 25 what is the probability that someone like exactly one given that they like at least one?

Respuesta :

Otras preguntas

Oceans, which are the largest carbon sinks on earth, absorb carbon in which form

The use of power to control freedom of expression What term is this defining? disinformation propaganda censorship stereotyping

Writing and evaluating expressions 5a. In may, zookeepers added grain to Fiona's diet. She was eating c cups of grain per day. Write an expression for how

The second side of a triangular deck is 3 feet longer than the shortest side and a third side that is 3 feet shorter than twice the length of the shortest side.

Where did spanish french dutch and british colonizers settled in north america?

Which property of equality would you use to solve the equation 14x=56

To efficiently conduct an alumni survey, a university collects data on all those who attend the annual alumni reunion on campus. what type of manipulation is th

three-fourth of the student body attended a pep rally. if there were 1230 students at the pep rally, how many students are there in all

I don't understand 11a or b. Please help.

Systems of taxonomy have been established according to the notion of::

patrickmichaelmccart patrickmichaelmccart · Answer 1 · 2018-11-02T06:54:22+01:00

Answer:

I would be interested to hear from others here, but first if you draw a venn diagram with two circles, label them A and B for candidates A and B, the intersection will be 25(i.e. number of voters that like both candidates. that means A\B will be 40 (only voted for A) and B/A will be 30 (only voted for B). Of course, 40 + 30 + 25 only equals 95, and there were 100 voters, which means 5 did not vote for either candidate. So that 5 will be outside set A and B. The "At Least" question normally implies the probability axiom P(not E) = 1 - P(E).

Step-by-step explanation: