Question
In: Statistics and Probability
At community Hospital the burn center experimenting with a new plasma compress treatment. A random sample...
At
community Hospital the burn center experimenting with a new plasma
compress treatment. A random sample of n1= 330 patients with minor
burns received the plasma compress treatment. Of these patients, it
was found that 258 had no visible scars after treatment. After
random sample of n2= 436 patients with minor burns received no
plasma compress treatment. For this group, it was found that 87 had
no visible scars after treatment. Let p1 be the population
proportion of all patients with minor burns receiving the plasma
compressed treatment who have no visible scars. Let p2 be the
population proportion of all patients with minor burns not
receiving the plasma compress treatment who have no visible scars.
(a) Find a 95% confidence interval for p1- p2
lower limit=
upper limit=
Solutions
orchestra answered 1 year agoRelated Solutions
At Community Hospital, the burn center is experimenting with a new plasma compress treatment. A random...
At Community Hospital, the burn center is experimenting with a
new plasma compress treatment. A random sample of
n1 = 308 patients with minor burns received the
plasma compress treatment. Of these patients, it was found that 268
had no visible scars after treatment. Another random sample of
n2 = 420 patients with minor burns received no
plasma compress treatment. For this group, it was found that 97 had
no visible scars after treatment. Let p1 be the
population proportion...
At Community Hospital, the burn center is experimenting with a new plasma compress treatment. A random...
At Community Hospital, the burn center is experimenting with a
new plasma compress treatment. A random sample of
n1 = 302 patients with minor burns received the
plasma compress treatment. Of these patients, it was found that 250
had no visible scars after treatment. Another random sample of
n2 = 440patients with minor burns received no
plasma compress treatment. For this group, it was found that 85 had
no visible scars after treatment. Let p1 be the
population proportion of...
At Community Hospital, the burn center is experimenting with a new plasma compress treatment. A random...
At Community Hospital, the burn center is experimenting with a
new plasma compress treatment. A random sample of n1 = 324 patients
with minor burns received the plasma compress treatment. Of these
patients, it was found that 268 had no visible scars after
treatment. Another random sample of n2 = 418 patients with minor
burns received no plasma compress treatment. For this group, it was
found that 93 had no visible scars after treatment. Let p1 be the
population proportion...
Suppose you are a researcher in a hospital. You are experimenting with a new tranquilizer. You...
Suppose you are a researcher in a hospital. You are
experimenting with a new tranquilizer. You collect data from a
random sample of 11 patients. The period of effectiveness of the
tranquilizer for each patient (in hours) is as follows:
2.9
3
3
2.5
2.9
3
2.4
2
2.5
2.4
2.5
a. What is a point estimate for the population mean length of time.
(Round answer to 4 decimal places)
b. Which distribution should you use for this problem?
normal...
Suppose you are a researcher in a hospital. You are experimenting with a new tranquilizer. You...
Suppose you are a researcher in a hospital. You are
experimenting with a new tranquilizer. You collect data from a
random sample of 9 patients. The period of effectiveness of the
tranquilizer for each patient (in hours) is as follows:
2.8
2.9
2.7
2
2.5
2.7
2
2.2
2.7
a. What is a point estimate for the population mean length of
time. (Round answer to 4 decimal places)
b. Which distribution should you use for this problem? normal
distribution or...
Suppose you are a researcher in a hospital. You are experimenting with a new tranquilizer. You...
Suppose you are a researcher in a hospital. You are
experimenting with a new tranquilizer. You collect data from a
random sample of 8 patients. The period of effectiveness of the
tranquilizer for each patient (in hours) is as follows:
2.3
2.8
2.3
2.6
2
2
3
2
a. What is a point estimate for the population mean length of time.
(Round answer to 4 decimal places)
b. Which distribution should you use for this problem?
t-distribution
normal distribution
c....
Suppose you are a researcher in a hospital. You are experimenting with a new tranquilizer. You...
Suppose you are a researcher in a hospital. You are
experimenting with a new tranquilizer. You collect data from a
random sample of 11 patients. The period of effectiveness of the
tranquilizer for each patient (in hours) is as follows:
2.4
2
2
2
2
2.9
2.2
2.5
2.3
2.8
2.3
a. What is a point estimate for the population mean length of time.
(Round answer to 4 decimal places)
b. Which distribution should you use for this problem?
normal...
Suppose you are a researcher in a hospital. You are experimenting with a new tranquilizer. You...
Suppose you are a researcher in a hospital. You are
experimenting with a new tranquilizer. You collect data from a
random sample of 11 patients. The period of effectiveness of the
tranquilizer for each patient (in hours) is as follows:
3
3
2.4
2.6
2.4
2
2.2
2.7
2.1
2.5
2.3
What is a point estimate for the population mean length of time.
(Round answer to 4 decimal places)
Which distribution should you use for this problem?
normal distribution
t-distribution...
Suppose you are a researcher in a hospital. You are experimenting with a new tranquilizer. You...
Suppose you are a researcher in a hospital. You are
experimenting with a new tranquilizer. You collect data from a
random sample of 9 patients. The period of effectiveness of the
tranquilizer for each patient (in hours) is as follows: 2 2.4 2.7
2.4 2.1 2.1 2.2 2.9 2.1
What is a point estimate for the population mean length of time.
(Round answer to 4 decimal places)
Which distribution should you use for this problem? normal
distribution or t-distribution
What...
Suppose you are a researcher in a hospital. You are experimenting with a new tranquilizer. You...
Suppose you are a researcher in a hospital. You are
experimenting with a new tranquilizer. You collect data from a
random sample of 9 patients. The period of effectiveness of the
tranquilizer for each patient (in hours) is as follows:
2.5
2.8
2
2.1
2.6
2.5
2.6
2.6
2.9
a. What is a point estimate for the population mean length of time.
(Round answer to 4 decimal places)
b. Which distribution should you use for this problem?
normal distribution
t-distribution...
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