A healthcare research agency reported that 42% of people who had coronary bypass surgery in 2008 were over the age of 65. Twelve coronary bypass patients are sampled. Part 1 of 2 (a) What is the mean number of people over the age of 65 in a sample of 12 coronary bypass patients? Round the answer to two decimal places. The mean number of people over the age of 65 is . Part 2 of 2 (b) What is the standard deviation of the number of people over the age of 65 in a sample of 12 coronary bypass patients? Round the answer to four decimal places. The standard deviation of the number of people over the age of 65 is
A healthcare research agency reported that 42% of people who had coronary bypass surgery in 2008 were over the age of 65. Twelve coronary bypass patients are sampled. Part 1 of 2 (a) What is the mean number of people over the age of 65 in a sample of 12 coronary bypass patients? Round the answer to two decimal places. The mean number of people over the age of 65 is . Part 2 of 2 (b) What is the standard deviation of the number of people over the age of 65 in a sample of 12 coronary bypass patients? Round the answer to four decimal places. The standard deviation of the number of people over the age of 65 is
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
Related questions
Question
A healthcare research agency reported that 42% of people who had coronary bypass surgery in 2008 were over the age of 65. Twelve coronary bypass patients are sampled.
Part 1 of 2
(a) What is the mean number of people over the age of
in a sample of
coronary bypass patients? Round the answer to two decimal places.
65
12
The mean number of people over the age of
65
|
|
Part 2 of 2
(b) What is the standard deviation of the number of people over the age of
in a sample of
coronary bypass patients? Round the answer to four decimal places.
65
12
The standard deviation of the number of people over the age of
65
|
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