Required information An article describes a method of analyzing digital music files to determine the key in which the music is written In a sample of 340 classical music selections, the key was identified correctly in 293 of them. Another method of key detection is to be tested. At this point, there is no estimate of the proportion of the time this method will be identified correctly. Find a conservative estimate of the sample size needed so that the proportion will be specified to within 10.03 with 90% confidence. Round the answer to the next integer