2. Let X be the number of boys in a four-child family. The probability distributionwas presented below.334P(X)5416What is the expected value of X?16161616A. 4c.B.D.16

Answered: Image /qna-images/answer/77f40139-4cfd-4150-8ef7-a3942cfc0964.jpg

Answered: 2. Let X be the number of boys in a…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

See similar textbooks

Similar questions

Use the information provided below to answer 1 and 2.Fifteen percent of the products produced by an industrial robot are known to be defective. A quality-control inspectorrandomly selects 6 products from a production run.1. What is the probability that at least two of the products selected by the quality-control inspector are defective?A 0.3772B 0.7765C 0.2235D 0.3993 2. Determine the probability of that between two and four (inclusive) of the products selected by the quality-controlinspector are defective.A 0.1762B 0.7133C 0.2176D 0.2231
Q4. The data in the table below shows a distribution for the marital status of adults living in a particular city which classified according to gender "Male" and "Female". If an adult is selected at random, determine the probability that: 1- the adult selected is a female. 2- current status of the adult selected is not married. 3- the adult selected is a male, given that the adult selected is divorced. EI TT TI Single Married Widowed Divorced Total Male 100 250 25 40 415 Female 70 230 42 55 397 Total 170 480 67 95 812
need 4&5
Which of the following is/are TRUE about binomial probability distribution? I The experience consists of n repeated trials. II. There are many possible outcomes. III. The repeated trials are dependent. IV. The probability of success is constant. a. II Only b. IV only c. II and III d. I and IV
1. Use this table for the following questions: Female Male TotalShort Hair 20 40 60 Long Hair 30 10 40 Total 50 50 100 a. Complete a total probability table.b. Complete a row probability tablec. Complete a column probability table.d. The probability that a student does not have long hair. _________e. The probability that a student is male or has short hair. ________f. The probability that a student is a female and has long hair. _________g. The probability that a student is male, given that the student has long hair. _________h. The probability that a student has long hair, given that the student is male. _________i. Of all the female students, the probability that a student has short hair. ________j. Of all students with long hair, the probability that a student is female. _________k. The probability that a student is female or has long hair.…
How many terms of the series do we need to add in order to find the sum to the indicated accuracy?
5. pg 359 Baby elk and their chances Biologists estimate that a randomly selected baby elk has a 44% chance of surviving to adulthood. Assume this estimate is correct. Suppose researchers choose 7 baby elk at random to monitor. Let X = the number who survive to adulthood. The probability distribution of X is shown here. Find the probability that fewer than 3 of the elk survive to adulthood. 0 1 2 3 4 5 6 7 Probability 0.0173 0.0950 0.2239 0.2932 0.2304 0.1086 0.0284 0.0032 Value
Please help me with this question.
22.
DIRECTIONS. Solve for the following. Write your answer on separate sheet of paper. 1. Find the mean or expected value of the following probability distribution. 1 2 3 4 P(x) 0.11 0.22 0.33 0.25 0.09
15. Find the expected value of a random variable having the following probability distribution: + a. b. C. d. e. 33 70 19 35 109 140 33 140 X P(X=x) -3 3/10 -1 1/5 0 1/14 1 1/7 5 2/7

Recommended textbooks for you

Advanced Engineering Mathematics

Advanced Math

ISBN:

9780470458365

Author:

Erwin Kreyszig

Publisher:

Wiley, John & Sons, Incorporated

Numerical Methods for Engineers

Advanced Math

ISBN:

9780073397924

Author:

Steven C. Chapra Dr., Raymond P. Canale

Publisher:

McGraw-Hill Education

Introductory Mathematics for Engineering Applicat…

Advanced Math

ISBN:

9781118141809

Author:

Nathan Klingbeil

Publisher:

WILEY

Advanced Engineering Mathematics

Advanced Math

ISBN:

9780470458365

Author:

Erwin Kreyszig

Publisher:

Wiley, John & Sons, Incorporated

Numerical Methods for Engineers

Advanced Math

ISBN:

9780073397924

Author:

Steven C. Chapra Dr., Raymond P. Canale

Publisher:

McGraw-Hill Education

Introductory Mathematics for Engineering Applicat…

Advanced Math

ISBN:

9781118141809

Author:

Nathan Klingbeil

Publisher:

WILEY

Mathematics For Machine Technology

Advanced Math

ISBN:

9781337798310

Author:

Peterson, John.

Publisher:

Cengage Learning,

Basic Technical Mathematics

Advanced Math

ISBN:

9780134437705

Author:

Washington

Publisher:

PEARSON

Topology

Advanced Math

ISBN:

9780134689517

Author:

Munkres, James R.

Publisher:

Pearson,

SEE MORE TEXTBOOKS

2. Let X be the number of boys in a four-child family. The probability distribution was presented below. 3 3 4 P(X) 5 4 16 What is the expected value of X? 16 16 16 16 A. 4 c. B. D. 16