please solve question 5, 6, 7 and 8 Find the probabilities that a random variable having the standard normal distributionwill take on a value : answer questions 5-7Q.5 less than -0,88:a) 0.8106b) 0.1657c) 0.5231d) Your answerQ.6 between 1.30 and 1.75:a) 0.0386b) 0.05670.7 between -0.25 and 0.45:e) 0.3301d) Your answera) 0.0749b) 0.3387e) 0.550d) Your answerQ.8 If A and Bare events in S. the probability of occurrence of event A is 0.6 and for no occurrence of B is 0.4, andthe probability for A and B is equal to 0.1. the probability for any of A or B only :-c) 0.9a) 08b) 1.0d) Your answer**** Given the following observations : answer questions from 9-10:408 401 410 415 390 400 395 450 406Q.9 the sample variance is :a) 360Q.10 the standard deviation is:b) 414e) 550d) Your answera) 14.7Q.11 the density for X, the lead concentration in gasoline in grams per liter is given by :F(x) = 12.5X – 1.25b) 5.44c) 2.34d) Your answer0.1sx s0.5the mean or expected value of x is equal to:a) 0.147b) 0.544c) 0.367d) Your answer***** In a certain country, the proportion of highway sections requiring repairs in any given year is a random variableHaving the beta distribution with a = 3 and B=2. then answer questions (12-13)Q.12 the mean is equal to :a) 0.785Q.13 the variance is equal to :b) 0.356c) 0.60d) Your answera) 0.2b) 0.56c) 0.04d) Your answerQ.14 for the log- normal distribution if a -2.B=0.1, the probability between values of 6.1 and 8.2 equal to:a) 0. 785b) 0.5771c) 0.3612d) Your answer

Since you have posted multiple questions , we will solve first question for you. To get the…

Find the probabilities that a random variable having the standard sormal distribution will take on a value: answer questions 5-7 Q.5 less than-0.88 a) 0.8106 b) 0.1657 c) 0.5231 d) Your answer Q.6 between 1.30 and 1.75: a) 0.0386 b) 0.0567 Q.7 between -0.25 and 0.45: e) 0.3301 d) Your answer a) 0.0749 b) 0.3387 e) 0.550 d) Your answer Q.8 If A and B are events in S. the probability of ocurrence of event A is 0.6 and for no occurrence of B is 0.4, and the probability for A and B is equal to 0.1, the probability for any of A or B only - c) 0.9 a) 08 b) 1.0 d) Your answer Given the following observations : answer questions from 9-10: 408 401 410 415 390 400 395 450 406 Q.9 the sample variance is : a) 360 b) 414 c) 550 d) Your answer Q.10 the standard deviation is: c) 2.34 Q.II the density for X. the lead concentration in gasoline in grams per liter is given by : 0.Isx s0.5 a) 14.7 b) 5.44 d) Your answer F(x) - 12.5X – 1.25 the mean or expected value of x is equal to : a) 0.147 b) 0.544 c) 0.367 d) Your answer *** In a certain country, the proportion of highway sections requiring repairs in any given year is a random varial Having the beta distribution with a =3 and B 2. then answer questions (12-13) Q.12 the mean is equal to: a) 0.785 b) 0.356 c) 0.60 d) Your an swer Q.13 the variance is equal to : a) 0.2 b) 0.56 c) 0.04 d) Your answer Q.14 for the log- normal distribution if a -2.B=0.1. the probability between values of 6.1 and 8.2 equal to: a) 0. 785 b) 0.5771 c) 0.3612 d) Your answer

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR