HCD 300 - Homework 4 Exam Questions and Answers Latest Update 2025-2026
A group of 262 students was polled to determine whether they exercise regularly (engaging in
moderate activity for 30-60 min, 3 or more times per week).
F(no) - 72 F(yes) - 58 Total - 130
M(no) - 96 M(yes) - 36 Total - 132
Total(no) - 168 Total(yes) - 94 Total - 262
If you choose a person from the survey at random, what is the probability that the person is
male? - Answers - 50.38%
In your new role as a data analyst for a large hospital chain, the CEO has asked you to explore
patient outcomes at a newly built hospital ("Mountain View") versus an existing hospital
("Greenside"). She is specifically interested in seeing whether patients who are seen for heart
attacks are being readmitted to the hospital more often in the new facility. You looked at data
from a random sample of visits to the two hospitals during the last year.
MV(yes) - 54 MV(no) - 705 MV Total - 759
GS(yes) - 16 GS(no) - 171 GS Total - 187
Total(yes) - 70 Total(no) - 876 Total - 946
If you choose a person from the sample at random, what is the probability that the person was
readmitted to the hospital within 30-days following treatment for heart attack? - Answers - NOT
7.11%
- 7.4% ???
Probability is an important concept for researchers primarily because - Answers - Researchers
collect data from samples rather than populations
In your new role as a data analyst for a large hospital chain, the CEO has asked you to explore
patient outcomes at a newly built hospital ("Mountain View") versus an existing hospital
("Greenside"). She is specifically interested in seeing whether patients who are seen for heart
attacks are being readmitted to the hospital more often in the new facility. You looked at data
from a random sample of visits to the two hospitals during the last year.
MV(yes) - 54 MV(no) - 705 MV Total - 759
GS(yes) - 16 GS(no) - 171 GS Total - 187
Total(yes) - 70 Total(no) - 876 Total - 946
If you choose a person from the survey at random, what is the probability that the person visited
, the new Mountain View hospital site? - Answers - 80.23%
True or False, the probability of an outcome can be a negative number. - Answers - False
A group of 262 students was polled to determine whether they exercise regularly (engaging in
moderate activity for 30-60 min, 3 or more times per week).
F(no) - 72 F(yes) - 58 Total - 130
M(no) - 96 M(yes) - 36 Total - 132
Total(no) - 168 Total(yes) - 94 Total - 262
If you choose a person from the survey at random, what is the probability that the person is
male, given that the person does not exercise regularly? - Answers - NOT 38.3%
- 57.14% ???
Cleats(yes goal) - 31 Cleats(no goal) - 16 Total - 47
Cleats(yes,no goal) - 11 Cleats(no, no goal) - 9 Total - 20
Total(yes) - 42 Total(no) - 25 Total - 67
If you choose a soccer player at random, what is the probability they are wearing cleats? -
Answers - 62.69%
In your new role as a data analyst for a large hospital chain, the CEO has asked you to explore
patient outcomes at a newly built hospital ("Mountain View") versus an existing hospital
("Greenside"). She is specifically interested in seeing whether patients who are seen for heart
attacks are being readmitted to the hospital more often in the new facility. You looked at data
from a random sample of visits to the two hospitals during the last year.
MV(yes) - 54 MV(no) - 705 MV Total - 759
GS(yes) - 16 GS(no) - 171 GS Total - 187
Total(yes) - 70 Total(no) - 876 Total - 946
True or false: The number of patients readmitted to the hospital within 30-days following
treatment for heart attack was greater at Mountain View than at Greenside - Answers - True
In your new role as a data analyst for a large hospital chain, the CEO has asked you to explore
patient outcomes at a newly built hospital ("Mountain View") versus an existing hospital
("Greenside"). She is specifically interested in seeing whether patients who are seen for heart
attacks are being readmitted to the hospital more often in the new facility. You looked at data
from a random sample of visits to the two hospitals during the last year.
A group of 262 students was polled to determine whether they exercise regularly (engaging in
moderate activity for 30-60 min, 3 or more times per week).
F(no) - 72 F(yes) - 58 Total - 130
M(no) - 96 M(yes) - 36 Total - 132
Total(no) - 168 Total(yes) - 94 Total - 262
If you choose a person from the survey at random, what is the probability that the person is
male? - Answers - 50.38%
In your new role as a data analyst for a large hospital chain, the CEO has asked you to explore
patient outcomes at a newly built hospital ("Mountain View") versus an existing hospital
("Greenside"). She is specifically interested in seeing whether patients who are seen for heart
attacks are being readmitted to the hospital more often in the new facility. You looked at data
from a random sample of visits to the two hospitals during the last year.
MV(yes) - 54 MV(no) - 705 MV Total - 759
GS(yes) - 16 GS(no) - 171 GS Total - 187
Total(yes) - 70 Total(no) - 876 Total - 946
If you choose a person from the sample at random, what is the probability that the person was
readmitted to the hospital within 30-days following treatment for heart attack? - Answers - NOT
7.11%
- 7.4% ???
Probability is an important concept for researchers primarily because - Answers - Researchers
collect data from samples rather than populations
In your new role as a data analyst for a large hospital chain, the CEO has asked you to explore
patient outcomes at a newly built hospital ("Mountain View") versus an existing hospital
("Greenside"). She is specifically interested in seeing whether patients who are seen for heart
attacks are being readmitted to the hospital more often in the new facility. You looked at data
from a random sample of visits to the two hospitals during the last year.
MV(yes) - 54 MV(no) - 705 MV Total - 759
GS(yes) - 16 GS(no) - 171 GS Total - 187
Total(yes) - 70 Total(no) - 876 Total - 946
If you choose a person from the survey at random, what is the probability that the person visited
, the new Mountain View hospital site? - Answers - 80.23%
True or False, the probability of an outcome can be a negative number. - Answers - False
A group of 262 students was polled to determine whether they exercise regularly (engaging in
moderate activity for 30-60 min, 3 or more times per week).
F(no) - 72 F(yes) - 58 Total - 130
M(no) - 96 M(yes) - 36 Total - 132
Total(no) - 168 Total(yes) - 94 Total - 262
If you choose a person from the survey at random, what is the probability that the person is
male, given that the person does not exercise regularly? - Answers - NOT 38.3%
- 57.14% ???
Cleats(yes goal) - 31 Cleats(no goal) - 16 Total - 47
Cleats(yes,no goal) - 11 Cleats(no, no goal) - 9 Total - 20
Total(yes) - 42 Total(no) - 25 Total - 67
If you choose a soccer player at random, what is the probability they are wearing cleats? -
Answers - 62.69%
In your new role as a data analyst for a large hospital chain, the CEO has asked you to explore
patient outcomes at a newly built hospital ("Mountain View") versus an existing hospital
("Greenside"). She is specifically interested in seeing whether patients who are seen for heart
attacks are being readmitted to the hospital more often in the new facility. You looked at data
from a random sample of visits to the two hospitals during the last year.
MV(yes) - 54 MV(no) - 705 MV Total - 759
GS(yes) - 16 GS(no) - 171 GS Total - 187
Total(yes) - 70 Total(no) - 876 Total - 946
True or false: The number of patients readmitted to the hospital within 30-days following
treatment for heart attack was greater at Mountain View than at Greenside - Answers - True
In your new role as a data analyst for a large hospital chain, the CEO has asked you to explore
patient outcomes at a newly built hospital ("Mountain View") versus an existing hospital
("Greenside"). She is specifically interested in seeing whether patients who are seen for heart
attacks are being readmitted to the hospital more often in the new facility. You looked at data
from a random sample of visits to the two hospitals during the last year.
