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Management · all questions

Business Statistics
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Match the following
List-I (Moments) List-II (Constants of Binomial Distribution)
a. μ1 1. 0
b. μ2 2. 3n2p2q2 + npq (1 - 6pq)
c. μ3 3. npq (q - p)
d. μ4 4. (npq)

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What is the probability of getting all the heads in four throws of a coin?

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The mean wage of a certain group of workers is 500 rupees and s is 100. Find what percentage of workers get above 375 rupees

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System analysis helps in

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The probability of a bomb hitting a target is 1/5. Two bombs are enough to destroy a bridge. If six bombs are aimed at the bridge, find the probability that the bridge is de stroyed

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While correlation analysis tests the . . . . . . . . with which two or more phenomena covary, regression analysis measures the nature and extent of this relation, this enabling as to make prediction.

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Which of the following features must be kept in mind while formulating questionnaire?

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The features of LAN consist

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Degree of correlation includes

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Given
dxdy = 186, dx = 11, dy = 7, N = 10, d2x = 215, d2y = 163.
Find out correlation

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Regression equation of x on y can be

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If μ is equal to 25 then value of mean for exponential probability distribution is

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Which one of the following statement is true?

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In a random sample of 100 people, 40% of them are non-vegetarian. What proportion of the whole population is non-vegetarian?

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Standard error of mean is computed by

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The following two statements relate to probability distributions. Choose the correct statements being correct or incorrect.
Statement I When 'p' and 'q' are equal in the binomial distribution, the shape of the distribution is perfectly symmetrical irrespective of the size of 'n'.
Statement II The mean and the variance of poisson distribution are not equal.

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Given,
Business Statistics mcq question image
This is a

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The difficulties with errors may be overcome by

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The probability that a college student will be graduate is 0.4. What will be the probability that out of 5 students none will graduate?

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