In a random survey of 2730 people in the us 1130 said they, Ask an Expert

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A polling agency claims that over 40% of adults shop for a gift within a week of an event. In a random survey of 2730 people in the US, 1130 said they shop for a gift within a week of the event. Test the agency's claim at the a= 0.10 level. Which can you conclude.

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