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In: Statistics and Probability

2. A simple random sample of 736 photographers found that 65% plan to purchase new equipment...

2. A simple random sample of 736 photographers found that 65% plan to purchase new equipment within the next year. (Make sure to also state your results in a sentence.)

a. What is the SD of the sample?

b. Find a 90% confidence interval for the percentage of photographers who plan to buy equipment.

c. A camera company will have a sale on its products if, at the 95% confidence level, 70% of all photographers plan to purchase new equipment. Will the company have the sale?

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Expert Solution

orchestra answered 1 year ago
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