Question: The Luxor Computer Company plans to introduce a pyramid-shape computer. The company is interested in the proportion of customers who find the unusual shape a

The Luxor Computer Company plans to introduce a pyramid-shape computer. The

company is interested in the proportion of customers who find the unusual shape a positive selling point. In a random sample of 350 potential customers, 203 of the respondents indicated that the shape was a positive selling point.

a. What is an estimate of the proportion of customers who find the unusual shape a positive selling point?

b.What is a 90-percent confidence interval for the proportion of prospective customers who find the unusual shape a positive selling point?

c. How many prospective customers would have to be queried for Luxor to be 90-percent certain that its estimated proportion was within 5% of the true value?

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