Refer to the sample of 308 diamond stones that were listed for sale on the open market
Question:
Refer to the sample of 308 diamond stones that were listed for sale on the open market in Singapore's Business Times. Recall that the color of each diamond is classified as D, E, F, G, H, or I, while the clarity of each is classified as VVS1, VVS2, VS1, or VS2.
a. Find a 99% confidence interval for the proportion of all diamonds for sale on the open market that are classified as "D" color. Interpret the result.
b. Find a 99% confidence interval for the proportion of all diamonds for sale on the open market that are classified as "VS1" clarity. Interpret the result.
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a The point estimate of p is The sample size is large enough if both np 15 and nq 15 np 308052 16 an...View the full answer
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Related Book For 
Statistics For Business And Economics
ISBN: 9780134506593
13th Edition
Authors: James T. McClave, P. George Benson, Terry Sincich
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