Question
Student will take = true-false test There are fifteen questions on the test. The student mus get grade of 80 (out of 100) t0 pass the test; The student has studied somewhat she believes she has 60" chance of getting each question correct What the probability that the student passes the test? Round your answer t0 the nearest hundredth: Explain how You arrived at your answer. This problem uses the Binomial distribution; What is the value of"n" and why? What value of"p"&quo
student will take = true-false test There are fifteen questions on the test. The student mus get grade of 80 (out of 100) t0 pass the test; The student has studied somewhat she believes she has 60" chance of getting each question correct What the probability that the student passes the test? Round your answer t0 the nearest hundredth: Explain how You arrived at your answer. This problem uses the Binomial distribution; What is the value of"n" and why? What value of"p"" and why"? (hint: nOl SV) How many questions (at least) does the student have MsTC coneclly Dass Ihe test? (hint; Ihe ASWer not SO!) You can Use the Excel spreadsheet caleulate the probability.
Answers
The sample spaces are large and you should use the counting principles discussed in Section 9.6.
A class receives a list of 20 study problems, from which 10 will be part of an upcoming exam. A student knows how to solve 15 of the problems. Find the probability that the student will be able to answer (a) all 10 questions on the exam, (b) exactly eight questions on the exam, and (c) at least nine questions on the exam.
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