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Raj
Questions and answers by visitors named
Raj
, page 4
Questions (360)
How to find interquartile range of the distribution?
1 answer
349 views
X follows normal distribution(400,64).Find the inter-quartile range of the distribution.
1 answer
387 views
The random variable X is normally distributed with mean 45 and standard deviation a.Given that P(X>51)=0.288, find the value of
3 answers
934 views
X follows normal distribution(400,64).Find the inter-quartile range of the distribution.
👍 0 👎 0 👁 35 asked by Raj today
6 answers
522 views
The masses of boxes of apples are normally distributed such that 20% of the boxes are heavier than 5.08 kg and 15% of the boxes
4 answers
1,048 views
The random variable X follows normal distribution.P(X<35)=0.2 and P(35<X<45)=0.65.Find mean and standard deviation.
1 answer
445 views
The random variable X follows normal distribution.P(X<35)=0.2 and P(35<X<45)=0.65.Find mean and standard deviation.
Answer as
4 answers
1,257 views
A farmer cuts hazel twigs to make into beam poles to sell at the market.He says that the sticks are each 240cm long but in fact
7 answers
1,244 views
The diameters of bolts produced by a particular machine follow a normal distribution with mean 1.34cm and standard deviation
5 answers
1,493 views
In a normal distribution, 4% of the distribution is less than 53 and 97% of the distribution is less than 65.i.Find the mean and
5 answers
717 views
A machine is used to fill cans of soup with nominal volume of 0.5 litres.The quantity of soup actually delivered is normally
3 answers
616 views
Find the normal approximation of P(X=12) when mean=9.5 and variance=5.89.
1 answer
245 views
On average 1 in 10 of the chocolates produced in a factory are mis-shapes.In a random sample of 1000 chocolates,find the
2 answers
591 views
On average 1 in 10 of the chocolates produced in a factory are mis-shapes.In a random sample of 1000 chocolates,find the
3 answers
876 views
At a particular hospital,records show that each day, on average,80% of people keep their appointment at the outpatient's clinic.
4 answers
633 views
The random variable X is distributed as B(200,0.7).Use the normal approximation to the binomial distribution to find
1 answer
453 views
I have written a program to find the length of last word.Please tell me where I am wrong.
Dim a As String
3 answers
343 views
Find the value of cos(-225).
5 answers
769 views
Given that sinA=2/5 and that A is obtuse,find the value of cosA.
3 answers
369 views
Given that sinA=2/5 and that A is obtuse,find the value of cosA.
👍 0 👎 0 👁 25 asked by Raj yesterday at 4:18am sinA =
2 answers
1,132 views
Given that tan25 degrees =a,express tan205 in terms of a.
3 answers
1,548 views
Find the period of 3tan1/2*x. Also explain me the graph of y=tanx with asymptote and the curves up and down,how they come in
6 answers
580 views
As x approaches or any odd multiple of from the left, y increases; that is, y approaches infinity.Why does it happen? Why is it
1 answer
391 views
.As x approaches or any odd multiple of from the left, y increases; that is, y approaches infinity.Why does it happen? Why is it
1 answer
324 views
Find the period of y=tan(x-30)
1 answer
367 views
Why is there difference between total mass of nucleons and total mass of nucleus? What is meant by total mass of nucleus?
1 answer
299 views
Calculate the binding energy in Mev of carbon-14 nucleus with a mass defect of 0.109736u.
2 answers
679 views
The principal is $1,00,000 and the loan adds 4% interest of the debt and rounds it to nearest 1,000 above month by
1 answer
316 views
The principal is $1,00,000 and the loan adds 5% interest of the debt and rounds it to nearest 1,000 above month by
4 answers
464 views
Howto sketch a graph of y=2sin3x-1 for 0<=x<=360.
1 answer
359 views
t=time
Why is Variance(t-35) and variance(t) equal.
1 answer
387 views
How to draw graph of y=2cos(x+60).
3 answers
699 views
How to draw graph of y=2cos(x+60) for 0<=x<=360
1 answer
326 views
A graph is false zero graph.What does it mean?
1 answer
280 views
There are nine cards each of different colors which are to arranged in a line.These 9 cards include a pink card and a green
4 answers
965 views
The first 2 values in ascending power of x in the expansion of (1+x) (2-x/4)^n are p+qx^2.Find the values of n,p,q.
1 answer
463 views
The first 2 values in ascending power of x in the expansion of (1+x) (2-x/4)^n are p+qx^2.Find the values of n,p,q.
👍 0 👎 0
4 answers
2,145 views
In a restaurant 13% ;customers rated the food as 'poor', 22% of the customer rated the food as 'satisfactory' and 65% rated it
1 answer
407 views
In a restaurant 13% ;customers rated the food as 'poor', 22% of the customer rated the food as 'satisfactory' and 65% rated it
1 answer
403 views
In a restaurant 13% customers rated the food as 'poor', 22% of the customer rated the food as 'satisfactory' and 65% rated it as
1 answer
356 views
In a restaurant 13% customers rated the food as 'poor', 22% of the customer rated the food as 'satisfactory' and 65% rated it as
1 answer
868 views
How to identify if a question has binomial situation or not?
1 answer
405 views
Nine cards are numbered 1, 2, 2, 3, 3, 4, 6, 6, 6.Three of the nine cards are chosen and placed in a line, making a 3-digit
4 answers
501 views
Nine cards are numbered 1, 2, 2, 3, 3, 4, 6, 6, 6.Three of the nine cards are chosen and placed in a line, making a 3-digit
3 answers
884 views
Nine cards are numbered 1, 2, 2, 3, 3, 4, 6, 6, 6.Three of the nine cards are chosen and placed in a line, making a 3-digit
3 answers
900 views
How to draw graph of y=1-x/pi.
1 answer
250 views
Repost
Explain what you've used and why? There are a large number of students in Luttley College. 60% of the students are boys.
5 answers
571 views
Explain what you've used and why?
There are a large number of students in Luttley College. 60% of the students are boys. Students
1 answer
853 views
A farmer finds that the weights of sheep on his farm have a normal distribution with mean 66.4 kg
and standard deviation 5.6 kg.
6 answers
829 views
A farmer finds that the weights of sheep on his farm have a normal distribution with mean 66.4 kg
and standard deviation 5.6 kg.
14 answers
2,079 views
Why does beta particle has different notation of nucleon number in spontaneous decay of tritium vs. beta decay of uranium 237?
3 answers
345 views
Why is electric force more than electric field strength?
1 answer
282 views
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7 answers
389 views
All living things are........... Things.
1 answer
343 views
How are 1-choloro-1-phenylmethane and 4-choloromethylbenzene isomers?
Are 1-chloro-1-phenylmethane and 2-chloromethylbenzene
1 answer
251 views
A taxi cab charges a fixed amount of $1.50 in addition to $0.75 per mile. If Jasmine has $20 with her, what is the maximum
3 answers
1,139 views
Find the nature of the post of the equation x^4+15x^2+7x-11=0
1 answer
266 views
Find the nature of the roots of the equation x^4+15x^2+7x-11=0
5 answers
2,219 views
Two charges +3.2 x 10-19 C and -3.2 x 10-19C kept 2.4 Å apart form a dipole. If it is kept in uniform electric field of
1 answer
285 views
potassium tetrabromo(ortho-phenanthroline)-cobaltate(iii) chemical formula?
1 answer
330 views
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