Question: Please round the answer to two decimal places for the first answer. Please found answer to the fourth decimal place on second answer. Thanks!!! Coronary

Please round the answer to two decimal places for the first answer. Please found answer to the fourth decimal place on second answer. Thanks!!!

Coronary bypass surgery: A healthcare research agency reported that 47% of people who had coronary bypass surgery in 2008 were over the age of 65. Eleven coronary bypass patients are sampled. EO Part 1 of 2 (a) What is the mean number of people over the age of 65 in a sample of 11 coronary bypass patients? Round the answer to two decimal places. X The mean number of people over the age of 65 is 4.7 olo Part 2 of 2 (b) What is the standard deviation of the number of people over the age of 65 in a sample of 11 coronary bypass patients? Round the answer to four decimal places. The standard deviation of the number of people over the age of 65 is 1.5783 X

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