Answer:
I think the confidence interval formula in statistics is used to describe the amount of uncertainty associated with a sample estimate of a population parameter. It describes the uncertainty associated with a sampling method. To recall, the confidence interval is a range within which most plausible values would occur.
Explanation:
Elvis wanted to be grate. He wanted to change music. Elvis combined country-western music of the south with the rhythm and blues of African American and the pop music that dominated the radio and recording industries, to create a different type of music called rockabilly.