Find the probabilities that a random variable having the standard normal 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 08 ICA and b) 0.3387 c) 0.550 d) Your answer
Find the probabilities that a random variable having the standard normal 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 08 ICA and b) 0.3387 c) 0.550 d) Your answer
A First Course in Probability (10th Edition)
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ISBN:9780134753119
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Chapter1: Combinatorial Analysis
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solve first questions please sir, 1, 2, 3 and 4
![Find the probabilities that a random variable having the standard normal 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
0.7 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 Bare events in S. the probability of occurrence 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
Q.10 the standard deviation is:
b) 414
e) 550
d) Your answer
a) 14.7
Q.11 the density for X, the lead concentration in gasoline in grams per liter is given by :
F(x) = 12.5X – 1.25
b) 5.44
c) 2.34
d) Your answer
0.1sx s0.5
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 variable
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
Q.13 the variance is equal to :
b) 0.356
c) 0.60
d) Your answ
er
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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc0be3924-d0b1-4fd5-bb10-e3f3102eb063%2F9bf0f3d7-cead-47e5-82af-499574515bde%2F8d8asp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Find the probabilities that a random variable having the standard normal 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
0.7 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 Bare events in S. the probability of occurrence 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
Q.10 the standard deviation is:
b) 414
e) 550
d) Your answer
a) 14.7
Q.11 the density for X, the lead concentration in gasoline in grams per liter is given by :
F(x) = 12.5X – 1.25
b) 5.44
c) 2.34
d) Your answer
0.1sx s0.5
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 variable
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
Q.13 the variance is equal to :
b) 0.356
c) 0.60
d) Your answ
er
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
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