Need help with Probability and statistic questions

Sigchi4life
Category:
Mathematics
Price: $5 USD

Question description

Company geologists have identified potential independent drilling sights, and have estimated that each has a probability of 60% of yielding a profitable oil well. Drilling must be started before the nature of a well can be determined. The company wants to identify exactly 4 profitable wells.

a) What is the expected number of wells that must be started to identify exactly 4wells?

b)If drilling is started on 10 sights,what is the probability that fewer than 4 profitable wells will be identified?

c)What is the probability that 8 wells will need to be started to identify exactly 4 profitable wells?

d)What is the probability that the first 4 wells started will identify 4 profitable well?

Studypool has helped 1,244,100 students
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1823 tutors are online

Brown University





1271 Tutors

California Institute of Technology




2131 Tutors

Carnegie Mellon University




982 Tutors

Columbia University





1256 Tutors

Dartmouth University





2113 Tutors

Emory University





2279 Tutors

Harvard University





599 Tutors

Massachusetts Institute of Technology



2319 Tutors

New York University





1645 Tutors

Notre Dam University





1911 Tutors

Oklahoma University





2122 Tutors

Pennsylvania State University





932 Tutors

Princeton University





1211 Tutors

Stanford University





983 Tutors

University of California





1282 Tutors

Oxford University





123 Tutors

Yale University





2325 Tutors