3)A dice is tossed 4 times. find the probability that we will obtain the number 4 exactly t.(25/256)
the probability a girl who wears spectacles is 1/12 and the probability a student who wears spectacles is a girl is 1/9. the probability that a student selected randomly is not a girl and does not wear spectacles is 3/4. wht is the probability that a person chosen randomly is a girl who wear spectacles? answer provided1/80
2)among 10 000 candidATES who are applying to be admitted to teaching college, only 2200 are selected to sit for the written test. For evry 100 candidates who sit for the written test, 70 will be called for an oral interview. For every 10 candidates interviewed, 3 will successfully join the Teaching colleges.
a) what is the probability that an applicant will reach the stage of the interview?(0.154)
b) What is the probability that an applicant who is sitting for the written test suceeds in entering a TeachingCollege?(0.21)
c) What is the probability an applicant will succeed in entering a teaching college?(0.0462)