HSCI 390 - Bio Statistics » Spring 2020 » Lecture Homework 5
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Question #1
The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. (You will use the above information for several of the following questions) What is the z-score for a patient with a systolic blood pressure of 123? Rounded to the nearest hundredth.
A.
-1.14
B.
2.71
C.
-0.39
D.
-0.83
E.
-2.75
Question #2
From information on a previous question: The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. What is the probability that a patient chosen at random will have a systolic blood pressure of 123 or below? Rounded to the nearest ten thousandth (4 places to the right of the decimal).
A.
0.2005
B.
0.1587
C.
0.3483
D.
0.2033
E.
0.2192
Question #3
From information on a previous question: The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. What is the z-score for a patient with a systolic blood pressure of 109? Rounded to the nearest hundredth.
A.
-1.17
B.
-0.75
C.
0.38
D.
-2.48
E.
-1.68
Question #4
From information on a previous question: The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. What is the z-score for a patient with a systolic blood pressure of 152? Rounded to the nearest hundredth.
A.
1.22
B.
-2.28
C.
0.89
D.
-3.31
E.
1.34
Question #5
From information on a previous question: The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. What is the probability that a patient chosen at random will have a systolic blood pressure between 109 and 152? Rounded to the nearest ten thousandth (4 places to the right of the decimal).
A.
0.8399
B.
0.7678
C.
0.2864
D.
0.731
E.
0.0915
Question #6
From information on a previous question: The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. What is the z-score for a patient with a systolic blood pressure of 116? Rounded to the nearest hundredth.
A.
0.18
B.
-0.78
C.
-1
D.
-0.62
E.
-2.34
Question #7
From information on a previous question: The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. What is the z-score for a patient with a systolic blood pressure of 165? Rounded to the nearest hundredth.
A.
1.94
B.
2.51
C.
3.19
D.
1.32
E.
1.11
Question #8
From information on a previous question: The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. What is the probability that a patient chosen at random will have a systolic blood pressure either below 116 or above 165? Rounded to the nearest ten thousandth (4 places to the right of the decimal).
A.
0.2922
B.
0.1553
C.
0.1871
D.
0.2439
E.
0.3215
Question #9
From information on a previous question: The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. What is the z-score for a patient with a systolic blood pressure of 93? Rounded to the nearest hundredth.
A.
0.73
B.
-2.06
C.
2.13
D.
-1.67
E.
-2.89
Question #10
From information on a previous question: The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. What is the z-score for a patient with a systolic blood pressure of 126? Rounded to the nearest hundredth.
A.
0.52
B.
-0.22
C.
-0.33
D.
-1.16
E.
-0.13
Question #11
From information on a previous question: The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. What is the probability that a patient chosen at random will have a systolic blood pressure between 93 and 126? Rounded to the nearest ten thousandth (4 places to the right of the decimal).
A.
0.4189
B.
0.3232
C.
0.1555
D.
0.3932
E.
0.8621
Question #12
From information on a previous question: The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. What is the z-score for a patient with a systolic blood pressure of 138? Rounded to the nearest hundredth.
A.
-1.92
B.
1.56
C.
0.56
D.
-1.26
E.
0.44
Question #13
From information on a previous question: The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. What is the probability that a patient chosen at random will have a systolic blood pressure below 138? Rounded to the nearest ten thousandth (4 places to the right of the decimal).
A.
0.7851
B.
0.7123
C.
0.67
D.
0.2928
E.
0.1155
Question #14
From information on a previous question: The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. What systolic blood pressure marks the top 30% of highest reported levels in the population of patients? Rounded to the nearest tenth.
A.
134.5
B.
145.9
C.
0.2
D.
139.4
E.
93.4
Question #15
From information on a previous question: The mean systolic blood pressure for a population of patients (µ) from a local clinic is 130 with a standard deviation (σ) of 18. What systolic blood pressure marks the bottom 20% of lowest reported levels in the population of patients? Rounded to the nearest tenth.
A.
0.6
B.
146.7
C.
129.3
D.
111.3
E.
114.9
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