Question
In: Statistics and Probability
Three patients have made appointments to have their blood pressure checked at a clinic. As each...
Three patients have made appointments to have their blood pressure checked at a clinic. As each patient is selected, he/she is tested. If he/she has high blood pressure, a success (S) occurs; if he/she does not have high blood pressure, a failure (F) occurs. Let x be the number of persons who have high blood pressure (i.e., Let x represent the number of successes among the three sampled persons).
a. How many outcomes should you have from this probability experiment?
b. Construct a tree diagram for the number of persons who have high blood pressure.
c. List all outcomes from this probability experiment.
d. What are the possible values for x?
e. Construct the probability distribution of x.
f. Determine whether the table represents a discrete probability distribution. Explain
g. Find P(x=1)=
h. Find P( x ≤ 2)=
i. Find P(x >2)=
j. Find P (x ≥ 2)=
k. Find (x=0)=
l. Compute the mean,
m. Compute the variance,
n. Compute the standard deviation,
Solutions
Expert Solution
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orchestra answered 1 year agoRelated Solutions
Four patients have made appointments to have their blood pressure checked at a clinic. As each...
Four patients have made appointments
to have their blood pressure checked at a clinic. As each patient
is selected, he/she is tested. If he/she has high blood pressure, a
success (S) occurs; if he/she does not have high blood pressure, a
failure (F) occurs. Let x be the number of persons who have high
blood pressure (i.e., Let x represent the number of successes among
the four sampled persons).
How many outcomes should you have from this probability
experiment?...
In a clinic, a random sample of 60 patients is obtained, and each person’s red blood...
In a clinic, a random sample of 60 patients is obtained, and
each person’s red blood cell
count (in cells per microliter) is measured. The sample mean is
5.28. The population
standard deviation for red blood cell counts is 0.54.
(a) At the 0.01 level of significance, test the claim that the
sample is from a population
with a mean less than 5.4. [4 marks]
(b) What is the Type 11 error ,6 in the hypothesis testing of Part
(a)...
A nurse measured the blood pressure of each person who visited her clinic.
A nurse measured the blood pressure of each person who visited her clinic. Following is a relative-frequency histogram for the systolic blood pressure readings for those people aged between 25 and 40. The blood pressure readings were given to the nearest whole number. Approximately what percentage of the people aged 25-40 had a systolic blood pressure reading between 110 and 119 inclusive?
A medical researcher wishes to try three different techniques to lower the blood pressure of patients...
A medical researcher wishes to try three different techniques to
lower the blood pressure of patients with high blood pressure. The
subjects are randomly selected and assigned to one of three groups.
Group 1 is given medication, Group 2 is given an exercise program,
and Group 3 is assigned a diet program. At the end of six weeks,
each subject's blood pressure is recorded
group1
group 2
group 3
13
8
6
12
6
4
11
4
3
15
7...
A medical researcher wishes to try three different techniques to lower blood pressure of patients with...
A medical researcher wishes to try three different techniques to
lower blood pressure of patients with high blood pressure. The
subjects are randomly selected and assigned to one of three groups.
Group 1 is given medication, Group 2 is given an exercise program,
and Group 3 is assigned a diet program. At the end of six weeks,
each subject's blood pressure is recorded, with data as shown
below.
The reasearcher will use this data to test the claim that there...
A medical researcher wishes to try three different techniques to lower the blood pressure of patients...
A medical researcher wishes to try three different techniques to
lower the blood pressure of patients with high blood pressure. The
subjects are randomly selected and assigned to one of three groups.
Group 1 is given medication, Group 2 is given an exercise program,
and Group 3 is assigned a diet program. At the end of six weeks,
each subject's blood pressure is recorded. Find the test statistic
F to test the claim that there is no difference between the...
Below are the ages of six patients with blood pressure problems. Age, x Blood Pressure, y...
Below are the ages of six patients with blood pressure
problems.
Age, x
Blood Pressure, y
43
128
48
120
56
135
61
143
67
141
70
152
Use this data to determine if there is a correlation between the
age and blood pressure using the significance level of
α=0.05.
What is the p-value?
1. The following table gives the systolic blood pressure and age of patients. Systolic Blood Pressure...
1. The following table gives the systolic blood pressure and age
of patients.
Systolic Blood Pressure
Age
131
34
132
36
122
30
119
32
123
26
115
23
137
37
a) Determine an r value for this data and classify the value as
weak, moderate, or strong.
b) Based on your calculated r value, what can you say about the
slope of the regression line?
c) Determine the model equation. This is also called the
regression line or the...
A certain drug is tested for its effect on blood pressure. Seven male patients have their...
A certain drug is tested for its effect on blood pressure. Seven
male patients have their systolic blood pressure measured before
and after receiving the drug with the results shown below (in mm
Hg).
Patient
SBP before SBP after
1
120
125
2
124
126
3
130
138
4
118
117
5
140
143
6
128
128
7
140
146
a. (2) State, in prose, the study
hypothesis (two-tailed).
b. (2)...
6. A medical researcher wishes to try three different techniques to lower blood pressure of patients...
6. A medical researcher wishes to try three different techniques
to lower blood pressure of patients with high blood pressure. The
subjects are randomly selected and assigned to one of three groups.
Group 1 is given medication, Group 2 is given an exercise program,
and Group 3 is assigned a diet program. At the end of six weeks,
each subject’s blood pressure is recorded. Alpha=.05
Group 1
Group 2
Group 3
13
8
8
12
5
12
11
2
4...
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