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A consulting firm that surveyed consumers' holiday shopping behavior found that the percentage of consumers from the U.S., Canada, and China who said that they planned to spend more on holiday shopping were 40%, 34% and 73%, respectively. Treat these results as representations of the populations. Random samples of size 150 are selected from each of the three countries.

a) What proportion of the samples from U.S. will have between 30% and 50% of consumers who will spend more on holiday shopping?

b) What proportion of the samples from Canada will have less than 35% of consumers who will spend more on holiday shopping?

c) 90% of the samples from China will have more than what percentage of consumers who will spend more on holiday shopping?

Reference no: EM132522336

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