Question

Can we use probability models based on Bernoulli trials to investigate the following situations? Explain.
a) You survey 500 potential customers to determine their color preference.
b) A manufacturer recalls a doll because about 3% have buttons that are not properly attached. Customers return 37 of these dolls to the local toy store. How likely are they to find any buttons not properly attached?
c) A city council of 11 Republicans and 8 Democrats picks a committee of 4 at random. How likely are they to choose all Democrats?
d) An executive reads that 74% of employees in his industry are dissatisfied with their jobs. How many dissatisfied employees can he expect to find among the 481 employees in his company?


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  • CreatedMay 14, 2015
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