15. A Problem in STATISTIC is given to two students. The oddsis favour of A solving a problem are 6 to 9 and the odds in against B solving thesame problem are 12 to 10. What is the probability that if both of them try theproblem would be solved ?

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Answered: 15. A Problem in STATISTIC is given to…

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...

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7.) 1.You play a game with your friend where your probability of winning is 5%. If you play the game 50 times, What is the probability that you lose every game? What is the probability that you win the game at least once?
1.If the probability of success (P) is 0.70 (70%), then What is the probability of failure? What are the odds?
8. PROBLEM SOLVING Your friend has two standard decks of 52 playing cards and asks you to randomly draw one card from each deck. What is the probability that you will draw two spades?
19. If two dice are rolled one time, find the probability of getting these results. a. P(sum of 6) = b. P(Doubles) = C. P(sum greater than 9)= d. P(sum $4 e. a sum of 6 = f. a sum of 8
7.1 John, Pedro and Rosita each roll one fair die. How do we calculate the probability that the score of Rosita is equal to the sum of the scores of John and Pedro?
44. If p - value = 0.02 for Ho : p = 0 vs Hị : p # 0, which statement is true at the 5% level of signifi- cance? (a) Ho will not be rejected. (b) p> 1. (c) The true correlation is non-significant. (d) The true correlation is significant. 45. Suppose X- N(1x = 15, 0 = = - The value of a is given by: From this information, we are asked to determine P A- 0.99. 13/21 (a) 14.0696. (b) 13.9696. (c) 15.9304. (d) 18.7216. 46. Suppose an experiment is carried out with an interest in assessing if mean reaction time differ in 3 groups of people after taking the respective beverages (water, fruit juice and coffee). The following diagrams are obtained by two students as part of their projects. Student A Student B Borplets ker Readien Time te Bererss Betet ke Raen Tt Ber 24 28 22 26 24 20 22 18 16 16 14 14 12 12 10 Mean Water Coffee Juce Cafee Beverage Berg Meane E Which statement is true? (a) Ho will is more likely to be rejected by student B. (b) Between group variability is larger for student A…
45. If a pair of dice is thrown, and the probability that the sum the digits is neither 7 nor 11.
9. A committee of 12 is to be selected from 18 soccer players and 15 basketball players. What is the probability that the number of soccer players on the committee is triple the number of basketball players.
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15. A Problem in STATISTIC is given to two students. The odds is favour of A solving a problem are 6 to 9 and the odds in against B solving the same problem are 12 to 10. What is the probability that if both of them try the problem would be solved ?