Question

Unknown to a medical researcher, 4 out of 22 patients have a heart problem that will result in death if they receive the test drug. 8 patients are randomly selected to receive the drug and the rest receive a placebo. What is the probability that more than 1 patient will die? Express your answer as a fraction or a decimal number rounded to four decimal places.

Answer #1

Unknown to a medical researcher, 10 out of 22 patients have a
heart problem that will result in death if they receive the test
drug. 6 patients are randomly selected to receive the drug and the
rest receive a placebo. What is the probability that less than 5
patients will die? Express your answer as a fraction or a decimal
number rounded to four decimal places.

Unknown to a medical researcher, 8 out of 24 patients have a
heart problem that will result in death if they receive the test
drug. 10 patients are randomly selected to receive the drug and the
rest receive a placebo. What is the probability that more than 1
patient will die? Express your answer as a fraction or a decimal
number rounded to four decimal places.

Unknown to a medical researcher, 10 out of 15 patients have a
heart problem that will result in death if they receive the test
drug. 5 patients are randomly selected to receive the drug and the
rest receive a placebo. What is the probability that less than 4
patients will die? Express your answer as a fraction or a decimal
number rounded to four decimal places.

Unknown to a medical researcher, 7 out of 23 patients have a
heart problem that will result in death if they receive the test
drug. 6 patients are randomly selected to receive the drug and the
rest receive a placebo. What is the probability that exactly 4
patients will die? Express your answer as a fraction or a decimal
number rounded to four decimal places.

Unknown to a medical researcher, 9 out of 23 patients have a
heart problem that will result in death if they receive the test
drug. 7 patients are randomly selected to receive the drug and the
rest receive a placebo. What is the probability that exactly 5
patients will die? Express your answer as a fraction or a decimal
number rounded to four decimal places.

Unknown to a medical researcher, 8 out of 20 patients have a
heart problem that will result in death if they receive the test
drug. 5 patients are randomly selected to receive the drug and the
rest receive a placebo. What is the probability that less than 4
patients will die? Express your answer as a fraction or a decimal
number rounded to four decimal places.

Suppose that 14% of the patients in a small town are known to
have heart disease. And suppose that a test is available that is
positive in 97% of the patients with heart disease but is also
positive in 6% of patients who do not have heart disease. If a
person is selected at random and given the test and it comes out
positive, what is the probability that the person actually has
heart disease? Round your answer to 4...

In a medical study of 605 heart attack survivors, some were
randomly assigned to a group that followed a diet recommended by
the American Heart Association (AHA) and some were randomly
assigned to a group that followed the Mediterranean Diet. After
four years, the number of patients who died from heart disease, did
not die from heart disease but developed another serious illness,
or were healthy was recorded.
Died from Heart Disease
Developed Another Illness
Healthy After Four Years
Total...

1.A pharmacist receives a shipment of 2121 bottles of a drug and
has 33 of the bottles tested. If 33 of the 2121 bottles are
contaminated, what is the probability that no more than 11 of the
tested bottles is contaminated? Express your answer as a fraction
or a decimal number rounded to four decimal places.
2. A fair die will be rolled 1010 times. What is the probability
that 44, 55, or 66 is rolled less than 66 but...

Out of 450 applicants for a job, 210 are male and 51 are male
and have a graduate degree. If 100 of the applicants have graduate
degrees, what is the probability that a randomly chosen applicant
is male, given that the applicant has a graduate degree? Express
your answer as a fraction or a decimal rounded to four decimal
places.

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