ZuoTi.Pro
Question

There are 20 students in the group. 9 students have excellent preparation for the exam, 6 have good level of knowledge, 3 have average level of knowledge, and 2 are bad prepared. Probability that student pass the exam for excellently prepared student is 100%, if student have good level of knowledge-90%, for average level of knowledge it is 60%, and for bad prepared student it is 20%. a) Find probability that student from this group pass the exam Student has passed the exam. Find probabilities that this student b) excellent preparation d) average level of knowledge c) good level of knowledge e) bad preparation

This is a probability theory question, please help solve showing full workings. * I will give positive ratings to the fullest* Thank you!!

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

The no of students passed the exam fos ENdently Pxepa e d students- 10。M-9 10o The no of students passed the exam cwho have good level of Knowledge 5 5 The no of Studeotspassed the exam usho nave avexage level op Knowled ge-3ed_X3=%; iag The no o students passed the exam cwho bad psepa ation fo 5 7575 2 0 20b)Excelient pSepašation- no of studeats, who have extellent psepasa tion for the exam ase q poobabilhty %-0.45 2 0 ) good levelo knole d ge The no of students who have good level oP knowledge ase 6 p5obability 620-0.3 d) Avesage leveof knowledg e The no of students uho have ovesage leve of knowle dge ase 3 poobability 0 0-15 The no oP Students cwho e wese bad pepased fos xam ase 2 =o. 20

0 0
Add a comment
Know the answer?
Add Answer to:
This is a probability theory question, please help solve showing full workings. * I will give...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

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

  • This is a probability theory question, please help solve with full workings so I can understand...

    This is a probability theory question, please help solve with full workings so I can understand as well as I need it to revise. *I will give postive rating* Thank you!! There are 20 students in the group. 9 students have excellent preparation for the exam, 6 have good level of knowledge, 3 have average level of knowledge, and 2 are bad prepared. Probability that student pass the exam for excellently prepared student is 100%, if student have good level...

  • Homework in probability theory Variant 2 A box contains 10 resistors, 6 diodes and 4 capacitors....

    Homework in probability theory Variant 2 A box contains 10 resistors, 6 diodes and 4 capacitors. 1. 2 parts are taken from the box. Consider the following events: A) the first part is resistor B) the first part is diode C) the first part is capacitor Find the following probabilities a) p(A)-? D) the second part is resistor E) the second part is diode F) the second part is capacitor 2. Find probabilities to take a) 2 resistors We have...

  • In a "Probability and Statistics for CS" class with 160 students enrolled in it, by the...

    In a "Probability and Statistics for CS" class with 160 students enrolled in it, by the time of the final exam, 60% of the students have mastered discrete probabilities, 75% have mastered continuous probabilities, and 50% have mastered both. For a student to pass the class with at least a C, the student must be able to use at least one type of probabilities. How many students passed the class? (Probability Theory)

  • Probability theory question, please help solve in full so I can understand as well. Thank you!!...

    Probability theory question, please help solve in full so I can understand as well. Thank you!! (will give positive rating) A box contains 15 resistors, 6 diodes, and 9 capacitors. 1. 2 parts are taken from the box. Consider the following events: A) the first part is resistor B) the first part is diode C) the first part is capacitor Find the following probabilities a) p(A)-? g) p(E/A)=? h) p(E/B)=? D) the second part is resistor E) the second part...

  • please help me to solve this Homework in probability theory Variant 1 A box contains 15...

    please help me to solve this Homework in probability theory Variant 1 A box contains 15 red balls, 10 blue balls, and 5 white balls. 1. 2 balls are taken from the box. Consider the following events: A) the first ball is red B) the first ball is blue C) the first ball is white Find the following probabilities a) p(A)-? D) the second ball is red E) the second ball is blue F) the second ball is white b)...

  • i need help on question 3 to 22 please. Midterm ex review. MATH 101 Use the...

    i need help on question 3 to 22 please. Midterm ex review. MATH 101 Use the following information to answer the next four exercises. The midterm grades on a chemistry exam, graded on a scale of 0 to 100, were: 62, 64, 65, 65, 68, 70, 72, 72, 74, 75, 75, 75, 76,78, 78, 81, 82, 83, 84, 85, 87, 88, 92, 95, 98, 98, 100, 100,740 1. Do you see any outliers in this data? If so, how would...

  • Can you help me with the binomial probability distribution? Please see instructions in the two images....

    Can you help me with the binomial probability distribution? Please see instructions in the two images. Thank you. Binomial Probability Distribution 1. Explain in your own words the importance of studying the binomial probability distribution. 2. Next, the probability distribution of a random variable is presented x. 20 25 30 35 f(x) 0.38 0.10 0.15 0.37 a) What is presented in the table, is it a probability distribution? Explain. b) What is the probability that x = 35? c) What...

  • can someone help? I have my answers just want double check. thanks 10. Two fair dice...

    can someone help? I have my answers just want double check. thanks 10. Two fair dice are rolled and the sum of the numbers on their faces is observed. Find the probability that the sum is: a. Less that 2 b. Greater than 9 c. 7 d. Less than 5 11. Probability Experiments are described below. Describe the sample space for each of the following. 1. Tossing a coin. 2. Guessing the last digit of a telephone number. 3. Tossing...

  • Can someone help with this problems please 1. (10 pts] Suppose that for a given term,...

    Can someone help with this problems please 1. (10 pts] Suppose that for a given term, data is collected on the types of courses that SPSCC students take with an interest in online and evening courses. Answer the following questions using the distribution of students below. Online Course No Online Course Totals Evening Course 28 42 70 No Evening Course 82 200 282 Totals 110 242 352 a. What is the probability a student is taking an online course? b....

  • (c) If you buy 4 spark plugs, what is the probability that at least one is...

    (c) If you buy 4 spark plugs, what is the probability that at least one is defective? 5. At Least One Girl: Suppose a couple plans to have 4 children and the probability of a boy is 0.50. Find the probability that the couple has at least one girl. 6.* Lie Detector: Suppose a lie detector test can detect a lie 95% of the time. You get hooked up and tell 10 truths and 10 lies. What is the probability...

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
ADVERTISEMENT