Can we use probability models based on Bernoulli trials to
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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