Wall Street Journal reported that approximately 25% of the people who are told a product is improved will believe that it, in factimprovedThe remaining 75% believe that this is just hype same old thing with no real improvementSuppose a marketing study consists of a random sample of people who are a about a , improved product Compute the mean and standard deviation of this probability (round your standard deviation to two decimal places) What is the smaller number of people needed in the marketing study to be at least 99% sure that at least one person believes the product to be improved?
Wall Street Journal reported that approximately 25% of the people who are told a product is improved will believe that it, in factimprovedThe remaining 75% believe that this is just hype same old thing with no real improvementSuppose a marketing study consists of a random sample of people who are a about a , improved product Compute the mean and standard deviation of this probability (round your standard deviation to two decimal places) What is the smaller number of people needed in the marketing study to be at least 99% sure that at least one person believes the product to be improved?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Question
Wall Street Journal reported that
approximately 25% of the people who are
told a product is improved will believe that
it, in factimprovedThe remaining 75%
believe that this is just hype same old
thing with no real improvementSuppose a
marketing study consists of a random
sample of people who are a about a ,
improved product
Compute the mean and standard deviation
of this probability (round your standard
deviation to two decimal places)
What is the smaller number of people
needed in the marketing study to be at
least 99% sure that at least one person
believes the product to be improved?
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