document.write( "Question 1011121: Assume a simple random sample has been taken, the population standard deviation is known, and the population is normally distributed. According to a sample of 200 various insurance brokers and health experts, a typical childbirth in the United States costs a mean of $9500. Assume we know from a previous study, the standard deviation of the cost of the births is $2500. Use a 98% confidence level. \n" ); document.write( "
Algebra.Com's Answer #627026 by macston(5194)![]() ![]() You can put this solution on YOUR website! To determine what? \n" ); document.write( " |