For Numbers 4 and 5: Dr. Kae Dee, a resident cardiologist who intends to specialize in vascular medicine, wants to verify a claim from a study which states that chronic venous insufficiency affects about 1 in 20 adults. She obtained records from 40 randomly selected hospitals from municipalities with relatively similar population sizes and obtained the number of reported chronic venous insufficiency cases. Let X be the number of reported chronic venous insufficiency cases. 4. Which of the following is(are) TRUE? 1. X is a discrete random variable with possible values x = {0, 1, 2, 3, ..., 40) II. The sum of probabilities of all values of X is 1. A. I only 5. Presented below is the probability distribution table from Dr. Kae Dee's study. X=x P[X=x] A. 1.00 B. II only 19 0.22 20 B. 4.10 0.38 C. Both I and II 21 0.11 The expected number reported chronic venous insufficiency cases is 22 C. 20.57 D. Neither I nor il 23 0.10 on the average. D. 105
For Numbers 4 and 5: Dr. Kae Dee, a resident cardiologist who intends to specialize in vascular medicine, wants to verify a claim from a study which states that chronic venous insufficiency affects about 1 in 20 adults. She obtained records from 40 randomly selected hospitals from municipalities with relatively similar population sizes and obtained the number of reported chronic venous insufficiency cases. Let X be the number of reported chronic venous insufficiency cases. 4. Which of the following is(are) TRUE? 1. X is a discrete random variable with possible values x = {0, 1, 2, 3, ..., 40) II. The sum of probabilities of all values of X is 1. A. I only 5. Presented below is the probability distribution table from Dr. Kae Dee's study. X=x P[X=x] A. 1.00 B. II only 19 0.22 20 B. 4.10 0.38 C. Both I and II 21 0.11 The expected number reported chronic venous insufficiency cases is 22 C. 20.57 D. Neither I nor il 23 0.10 on the average. D. 105
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
Related questions
Question
![For Numbers 4 and 5: Dr. Kae Dee, a resident cardiologist who intends to specialize in vascular
medicine, wants to verify a claim from a study which states that chronic venous insufficiency affects
about 1 in 20 adults. She obtained records from 40 randomly selected hospitals from municipalities
with relatively similar population sizes and obtained the number of reported chronic venous
insufficiency cases. Let X be the number of reported chronic venous insufficiency cases.
4. Which of the following is(are) TRUE?
1. X is a discrete random variable with possible values x = {0, 1, 2, 3, ..., 40)
II. The sum of probabilities of all values of X is 1.
A. I only
5. Presented below is the probability distribution table from Dr. Kae Dee's study.
X=x
P[X=x]
A. 1.00
B. II only
19
0.22
20
0.38
B. 4.10
C. Both I and II
21
0.11
The expected number reported chronic venous insufficiency cases is
22
C. 20.57
D. Neither I nor II
23
0.10
on the average.
D. 105](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd1a54252-696a-469a-84b7-84a96b7a4aaa%2Ff56d3f63-b529-4c63-80a6-a7ea02b30cda%2Fpxe036_processed.jpeg&w=3840&q=75)
Transcribed Image Text:For Numbers 4 and 5: Dr. Kae Dee, a resident cardiologist who intends to specialize in vascular
medicine, wants to verify a claim from a study which states that chronic venous insufficiency affects
about 1 in 20 adults. She obtained records from 40 randomly selected hospitals from municipalities
with relatively similar population sizes and obtained the number of reported chronic venous
insufficiency cases. Let X be the number of reported chronic venous insufficiency cases.
4. Which of the following is(are) TRUE?
1. X is a discrete random variable with possible values x = {0, 1, 2, 3, ..., 40)
II. The sum of probabilities of all values of X is 1.
A. I only
5. Presented below is the probability distribution table from Dr. Kae Dee's study.
X=x
P[X=x]
A. 1.00
B. II only
19
0.22
20
0.38
B. 4.10
C. Both I and II
21
0.11
The expected number reported chronic venous insufficiency cases is
22
C. 20.57
D. Neither I nor II
23
0.10
on the average.
D. 105
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