3. It is known that 80% of all brand A DVD players work in a satisfactory manner...
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3. It is known that 80% of all brand A DVD players work in a satisfactory manner throughout the warranty period (are successes ). Suppose that n 10 players are randomly selected. Let X the number of successes in the sample. The statistic X/n is the sample proportion (fraction) of successes. Obtain the sampling distribution of this statistic. [Hint: One possible value of X/n is .3, corresponding to X 3.
What is the probability of this value (what kind of random variable is X)?]
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Related Book For 
Modern Mathematical Statistics With Applications
ISBN: 9780534404734
1st Edition
Authors: Jay L Devore
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