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Recent questions tagged exercise10-5
Questions
Find$C$. $\mu$ and $c^{2}$ of the normal distribution whose probability function is given by $f{x}$=$C$$e^{\large -x^2+3x}$$,-\infty<$X$<\infty$.
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q8
modelpaper
mar-2008
jun-2009
mar-2010
asked
Apr 23, 2013
by
poojasapani_1
1
answer
Marks in an aptitude test given to $800$ students of a school was found to be normally distributed. $10\%$ of the students scored below $40$ marks and $10\%$ of the students scored above $90$ marks. Find the number of students scored between $40$ and $90$.
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q7
modelpaper
jun-2006
asked
Apr 23, 2013
by
poojasapani_1
1
answer
If the hight of $300$ students are normally distributed with mean $64.5$ inches and standard deviation $3.3$ inches,find the hight below which $99\%$ of the student lie.
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q6
asked
Apr 22, 2013
by
poojasapani_1
1
answer
The mean weight of $500 $ male students in a certain college in $151$ pounds and the standard deviation is $15$ pounds. Assuming the weights are normally distributed, find how many students weigh more than $185$ pounds
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q5
q5-2
modelpaper
mar-2006
mar-2009
asked
Apr 22, 2013
by
poojasapani_1
1
answer
The mean weight of $500 $ male students in a certain college in $151$ pounds and the standard deviation is $15$ pounds. Assuming the weights are normally distributed, find how many students weigh between $120$ and $155$ pounds
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q5
q5-1
modelpaper
mar-2006
mar-2009
asked
Apr 22, 2013
by
poojasapani_1
1
answer
The life of army shoes is normally distributed with mean $8$ months and standard deviation $2$ months. If $5000$ pairs are issued, how many pairs would be expected to need replacement within $12$ months.
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q4
asked
Apr 22, 2013
by
poojasapani_1
1
answer
Suppose that the amount of cosmic radiation to which a person is exposed when flying by jet across the united states is a random variable having a normal distribution with a mean of $4.35 m$ rem and standard deviation of $0.59m$ rem. What is the probability that a person will be exposed to than $5.20m$ rem of cosmic radiation of such flight.
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q3
modelpaper
jun-2007
asked
Apr 22, 2013
by
poojasapani_1
1
answer
If $Z$ is a standard normal variate. Find the value of $c$ for the following $P(Z > c)=0.85$
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q2
q2-3
asked
Apr 22, 2013
by
poojasapani_1
1
answer
If $Z$ is a standard normal variate. Find the value of $c$ for the following $P(-c < Z < c)=0.40$
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q2
q2-2
asked
Apr 22, 2013
by
poojasapani_1
1
answer
If $Z$ is a standard normal variate. Find the value of $c$ for the following $ P(0< Z < c)=0.25$
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q2
q2-1
asked
Apr 22, 2013
by
poojasapani_1
1
answer
If $X$ a normal variate with mean $80$ and standard deviation $10$ compute the following probabilities by standardizing.$P(85\leq$X$\leq$95$)$
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q1
q1-5
modelpaper
mar-2006
asked
Apr 22, 2013
by
poojasapani_1
1
answer
If $X$ a normal variate with mean $80$ and standard deviation $10$ compute the following probabilites by standardizing. $P(70$$<$X$)$
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q1
q1-4
modelpaper
mar-2006
asked
Apr 22, 2013
by
poojasapani_1
1
answer
If $X$ a normal variate with mean $80$ and standard deviation $10$ compute the following probabilities by standardizing. $P(65\leq$X$\leq$100$)$
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q1
q1-3
modelpaper
mar-2006
asked
Apr 22, 2013
by
poojasapani_1
1
answer
If $X$ a normal variate with mean $80$ and standard deviation $10$ compute the following probabilities by standardizing.$P(X\leq$80$)$
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q1
q1-2
modelpaper
mar-2006
asked
Apr 22, 2013
by
poojasapani_1
1
answer
If $X$ a normal variate with mean $80$ and standard deviation $10$ compute the following probabilities by standardizing. $P(X\leq$100$)$
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q1
q1-1
modelpaper
mar-2006
asked
Apr 22, 2013
by
poojasapani_1
1
answer
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