Related Questions

একটি দ্বিপদী বিন্যাস ভিত্তিক দৈবক্রম যার চেষ্টার সংখ্যা n = 20 এবং সফলতার সম্ভাবনা p =0.614 । দৈবক্রমের ভেদাঙ্ক কত হবে? (Find the variance of a random variable, which follows a binomial distribution with parameters n = 20 and p = 0.6 )
A 12
B 4.8
C 8
D 9.6
Which of the following is not a condition of the binomial distribution?
A Must have at least 4 trials
B Only 2 possible outcomes
C Have a constant probability of success
D Trials must be independent
Binomial distribution is negatively skewed when
A p = 0
B p > $$\frac{{1}}{{2}}$$
C p
D p = -$$\frac{{1}}{{2}}$$
Which of the following is not the property of binomial distribution
A N is fixed
B Has two outcomes
C Trials are independent
D Probability of success varies from trial to trial
Binomial distribution is symmetrical when
A p = q
B p > q
C p
D np > npq
Determine median from the following frequency distribution table:
A 47
B 47.96
C 43
D 48.96
যদি একটি বিন্যাসের গড় 10 এবং বিভেদাঙ্ক 40% হয়, তাহলে বিন্যাসটির ভেদাঙ্ক কত হবে? ( If the mean of a distribution is 10 and the coefficient of variation is 40%, then what is the variance of the distribution?)
A 36
B 4
C 25
D 252
The arithmetic mean of the list of numbers given below is 4. If K and m are integers and k#m, what is the median of the list ? [Given list -3, k, 2, 8, m, 3]
A 2
B 2.5
C 3
D None of these
Let M be the median and m the mose of the following set of numbers : 10,70, 20,40 ,90 . What if the average ) arithmeti mean of M and m?
A 50
B 60
C 62.5
D 65
A researcher computed the mean , median and standard deviation for a set of performance score . If 5 were to be added to each score , which of these three statistics would change ?
A The mean only
B The median only
C The standard deviation only
D The mean and median only

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