Question

Sue surveyed the students at her school to find out if they like sandwiches and/or tacos. The table below shows the results of the survey: Like Sandwiches Do Not Like Sandwiches Total Like Tacos 43 7 50 Do Not Like Tacos 27 23 50 Total 70 30 100 If a student likes sandwiches, what is the probability that student also likes tacos? 43% 61.4% 71.4% 86%

Answer 1

61.4%

Explanation:

There are a total of 43+27 = 70 students that like sandwiches.

Out of these, 43 also like tacos; this is

43/70 = 0.614 = 61.4%

Answer 2

like sandwiches hate sandwiches total
like tacos 43 7 50
hate tacos 27 23 50
total 70 30 100

if a student likes sandwiches...there are 70 that like sandwiches....what is the probability that the student also likes tacos....of the 70 that likes sandwiches, 43 of them also likes tacos..
43/70 = 0.614 = 61.4% <==.