The study found that of 106 social robots, 63 were built with legs only, 20 with wheels

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The study found that of 106 social robots, 63 were built with legs only, 20 with wheels only, 8 with both legs and wheels, and 15 with neither legs nor wheels. Suppose you randomly select 10 of the 106 social robots and count the number, x, with neither legs nor wheels.
a. Demonstrate why the probability distribution for x should not be approximated by the binomial distribution.
b.
Show that the properties of the hyper geometric probability distribution are satisfied for this experiment.
c. Find μ and σ for the probability distribution for x.
d. Calculate the probability that x = 2.
For Information: Refer to the International Conference on Social Robotics (Vol. 6414, 2010) study of the trend in the design of social robots, Exercise 4.25.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Statistics For Business And Economics

ISBN: 9780321826237

12th Edition

Authors: James T. McClave, P. George Benson, Terry T Sincich

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