QI\ A/ An instructor gives her class a set of 14 problems with the information that the finalexam will consist of a random selection of 7 of them. If a student has figured out how to do 9 ofthe problems, what is the probability that he or she will answer correctly:(a) all 7 problems?(b) at least 6 of the problems?(C) at least 5 of the problems?Q1\ B/ A coin is flipped twice. Assuming that all four points in the sample space are equallylikely, what is the conditional probability that both flips land on heads, Find the following:(a) the first flip lands on heads?(b) at least one flip lands on heads?

Please note that as per our guidelines, if multiple questions are given, we can answer the first…

Answered: QI\ A/ An instructor gives her class a…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

If you roll two dice, each with 8 faces, what sum is most likely to appear from the two dice? Write out each step and explain what you are doing in each step.
You are to submit 2 real life examples of statistical statements and state if they are biased or unbiased Example: A toothpaste advertisement states that 3 or 4 people prefer their product. This could be a biased survey, one that is not based on a random sample. They could have asked exactly 4 people about their product. An unbiased sample accurately represents the population. Each member of the population is equally to be chosen Example: A person wants to find out how many people prefer chocolate of vanilla ice cream. To get an unbiased sample, she would pick out a few of the ice cream shops in her town and survey people leaving the establishment.
Among a student group 51% use Google Chrome, 20% Internet Explorer, 10% Firefox, 5% Mozilla, and the rest use Safari. What is the probability that you need to pick 7 students to find 2 students using Google Chrome? Report answer to 3 decimals.
A game has a probability of winning of 0.6. A boy will play this game until he finally loses. What is the chance he will play exactly 4 times?
Peter took an MCQ based test. He had not prepared for the test and ended up guessing the answer for each of the MCQ. The test had a total of 10 MCQS. Each MCQ had 5 possible answers for selection. After the test, she is interested in calculating the probability of getting exactly 6 questions correct on this test?
The Math teacher gave the class a set of 12 review problems and toldthem that the midterm exam would consist of 6 of the 12 problems selected at random.If Ana memorized the solutions to 8 of the 12 problems but could not solve any ofthe other 4 problems, what is the probability that she got 4 or more problems correctin the exam?
A lock consists of 3 dials, where each dial has 4 letters. What is the probability of guessing the right combination in one try? Kay has an 80% probability of making a free-throw in basketball, and each free-throw is independent. Kay gets to take 2 free-throws and must make both to win the game. What is the probability that Kay's team will win the game? Two owners of a cattle ranch, Jo and Val, want to find the average weight for the ranch’s 200 cows. Instead of weighing all of the cows: Jo weighs 25 cows and gets an average weight of 1,350 pounds (stdev 50) Val weighs 100 cows and gets an average weight of 1,420 pounds (stdev 50) What is Jo’s margin of error, rounded to the nearest whole number? (The formula is )
A teacher will pick 1 student at random from 20 for the lead in a play. What is the probability of a student, Jo, of winning?
An instructor gives his class a set of 12 problems with the information that the next quiz will consist of a random selection of 4 of them. If a student has figured out how to do 9 of the problems, what is the probability the he or she will answer correctly (a) all 4 problems? 0.2545(b) at least 3 problems.
In the statistics, there 20 Malays, x Indians and 10 Chinese's students in a seminar and find the probability of choose a Malay student is 9
you get a color ball either red, blue or green when you buy a pack of chocolate. You can only buy 2 packs of chocolate each time. What is the expected number of 2 packs to buy for you to get all three color balls?

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS