Question

A study on class demographics found that 60% of the students are engineering majors, 20% are mathematics majors, and 5% are s

0 0
Add a comment Improve this question Transcribed image text
Answer #1

P(E) = 0.6

P(M) = 0.2

P(E and M) = 0.05

P(EC and MC) = P(E or M)C = 1 – P(E or M) = 1 – 0.75 = 0.25

Press like

Add a comment
Know the answer?
Add Answer to:
A study on class demographics found that 60% of the students are engineering majors, 20% are...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • In a class of 125 students, 28 are computer science majors, 52 are mechanical engineering majors,...

    In a class of 125 students, 28 are computer science majors, 52 are mechanical engineering majors, 10 are civil engineers and the rest are general engineering majors.Assume students only have one major If a student is chosen at random what is the probability they are: Round your answers to 3 decimal places a clvil engineering major? o8 a civil engineering major or mechanical engineering major?496 a general engineering major? 280 not a computer science major? 776 Suppose six students from...

  • Among 100 engineering students, 15 are chemical engineering majors, 60 are undergraduates, and 5 are undergraduates...

    Among 100 engineering students, 15 are chemical engineering majors, 60 are undergraduates, and 5 are undergraduates and chemical engineering majors. If a student is selected at random, what is the probability that: a) The student is not a chemical engineering major b) The student is not an undergraduate c) The student is a chemical engineering major, is an undergraduate, or both d) The student is an undergraduate and not a chemical engineering major e) The student is not an undergraduate...

  • In a class of 25 students, 4 are math majors, 6 are computer science majors, and...

    In a class of 25 students, 4 are math majors, 6 are computer science majors, and the rest are creepy wizards. A group of four students are chosen at random. (Leave your answers as fractions or round to four decimal places. Either is fine.) What is the probability that no creepy wizards are chosen? What is the probability that the group has exactly one math major, two computer science majors and one creepy wizard?

  • In a college of 5000 students, 150 are math majors. A student is selected at random...

    In a college of 5000 students, 150 are math majors. A student is selected at random and turns out to be a math major. Is this an unusual event?

  • 54. In a class of 15 students, 3 are math majors. A group of four students...

    54. In a class of 15 students, 3 are math majors. A group of four students is chosen at random. (Round your answers to four decimal places.) (a) What is the probability that the group has no math majors? (b) What is the probability that the group has at least one math major? (c) What is the probability that the group has exactly two math majors?

  • The class registrations of 100 students are analyzed. It is found that 50 students study Applied...

    The class registrations of 100 students are analyzed. It is found that 50 students study Applied Mechanics, 45 study Chemistry, and 15 studied both Applied Mechanics and Chemistry. (a) If one of these students is selected at random, find the probability that i. the student took applied mechanics or chemistry. ii. the student did not take either of these subjects. iii. the student took chemistry but not applied mechanics. (b) Are studying Applied Mechanics and studying Chemistry mutually exclusive events?...

  • 15.35% of the kids in AMS are Psychology majors. (PS) 30% of the students in AMS...

    15.35% of the kids in AMS are Psychology majors. (PS) 30% of the students in AMS are Business majors. (B) 5% are both. Use a Venn diagram to help you answer the following: a. What is the probability that an AMS student selected at random is a Psychology major but not a business major? b. What is the probability that the student majors in neither Psychology nor Business? c. Are the events Psychology Major and Business Major independent or dependent?...

  • Suppose that a certain college class contains 47 students of these, 28 are sophomores, 27 are...

    Suppose that a certain college class contains 47 students of these, 28 are sophomores, 27 are business majors, and 8 are neither. A student is selected at random from the class. (a) What is the probability that the student is both a sophomore and a business major? (b) Given that the student selected is a business major, what is the probability that he is also a sophomore? Write your responses as fractions. (If necessary, consult a list of formulas.)

  • Suppose that a certain college class contains 40 students. Of these, 26 are sophomores, 21 are...

    Suppose that a certain college class contains 40 students. Of these, 26 are sophomores, 21 are history majors, and 5 are neither. A student is selected at random from the class. (a) What is the probability that the student is both a sophomore and a history major? (b) Given that the student selected is a history major, what is the probability that she is also a sophomore? Write your responses as fractions. (If necessary, consult a list of formulas.) DO...

  • please do 37 and 39 b. please do and show work. 37) A recent study finds...

    please do 37 and 39 b. please do and show work. 37) A recent study finds that 34% of adult American males are obese. Bas ed on this study, what is the probability that a) all 3 are obese b) at least one is obese when 3 adult Am erican m ales are chosen random ly? 38) How many different social security numbers with the last four digits 1234 are possible? 39) A random sam ple of 300 Mt. SAC...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT