A doctor knows from experience that 17% of the patients to whom she gives a certain...
A doctor knows from experience that 17% of the patients to whom she gives a certain drug will have undesirable side effects. Among the 12 patients to whom she gives the drug, find the following probabilities. (Give your answers correct to three decimal places.) (a) Find the probability P(At most two will have undesirable side effects). (b) Find the probability P(At least two will have undesirable side effects).[Hint: apply complement rule, P(at least 2) = 1 - p(less than 2) = 1 - [P(0) + P(1)]
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A doctor knows from experience that 17% of the patients to whom
she gives a certain...
A doctor knows from experience that 10% of the patients to whom she gives a certain...
A doctor knows from experience that 10% of the patients to whom she gives a certain drug will have undesirable side effects. Among the 13 patients to whom she gives the drug, find the following probabilities. (Give your answers correct to three decimal places.) (a) Find the probability P(At most two will have undesirable side effects). (b) Find the probability P(At least two will have undesirable side effects).[Hint: apply complement rule, P(at least 2) = 1 - p(less than 2)...
A doctor knows that the medical test for a certain health condition gives accurate results 69%...
A doctor knows that the medical test for a certain health condition gives accurate results 69% of the time. Find the probability that if 4 of these tests are randomly selected, at least one of them is accurate.
A medical doctor has a data set about her patients. From her past data, she knows that she will have 80% follow-up...
A medical doctor has a data set about her patients. From her past data, she knows that she will have 80% follow-up visits after her first contact with her patients (a) If she has 10 patients today, what is the probability that the follow-up patients will be exactly 6? (b) Now consider 60 patients, then what is the probability that she will have at least 50 follow-up patients? (use the central limit theorem) (c) Out of 60 patients, what is...
Approximately 8.26% of patients in the Seasonal Effect data set contracted an SSI. If this happens...
Approximately 8.26% of patients in the Seasonal Effect data set contracted an SSI. If this happens completely randomly, in a random selection of 10, calculate the following probabilities, from a binomial distribution with parameters n=10 and p=0.0826. Show all work. Identify the complement of {X≥1} and use the rule of complements to calculate the probability that at least 1 patient contracts an SSI, P(X≥1) (10%) probability that more than 1 but less than 5 patients contract an SSI, P(1<X<5) (10%)...
20. The owner of a doughnut shop knows from past experience that on a daily basis,...
20. The owner of a doughnut shop knows from past experience that on a daily basis, 80% of the apple fritters made are sold. Based on this knowledge, the owner makes 30 fritters available for sale on a given day (a) If the owner needs to sell 20 fritters a day to break even find the probability that on a given day she will make a profit (b) What is the probability that, over a 7 day period, the owner...
1 , A pharmaceutical lab did an extensive analysis on a drug and found that the...
1 , A pharmaceutical lab did an extensive analysis on a drug and found that the drug causes negative side effects in 3 of every 100 patients. To confirm this affirmation, another laboratory chooses 5 people at random who have consumed the drug. What is the probability of the following events? a. None of the five patients experience side effects. (5 points) b. At least two experience side effects. (5 points) c. What is the average number of patients that...
Researchers selected 893 patients at random among those who take a certain widely-used prescription drug daily....
Researchers selected 893 patients at random among those who take a certain widely-used prescription drug daily. In a clinical trial, 21 out of the 893 patients complained of flulike symptoms. Suppose that it is known that 1.9% of patients taking competing drugs complain of flulike symptoms. Is there sufficient evidence to conclude that more than 1.9% of this drug's users experience flulike symptoms as a side effect at the a = 0,1 level of significance? Because npo (1-P) -010, the...
Kelly is contemplating on returning to graduate school to earn her MBA. She knows from experience,...
Kelly is contemplating on returning to graduate school to earn her MBA. She knows from experience, that she can get a well paying job after undergraduate school. The probability of getting a job with a salary of $20,000/year is 75% and a job with a salary of $30,000/year is 25%. However, if she chooses to attend and finish graduate school, her salary would likely increase. The probability of getting a job with a salary of $40,000/year is 75% and getting...
Approximately 8.26% of patients in the Seasonal Effect data set contracted an SSI. If this happens...
Approximately 8.26% of patients in the Seasonal Effect data set contracted an SSI. If this happens completely randomly, calculate the probability that three randomly selected patients all contract an SSI in each of the following two ways: Using counting rules and probability trees (10%) Using the binomial distribution (hint: n=3, p=0.0826) (10%) Approximately 8.26% of patients in the Seasonal Effect data set contracted an SSI. If this happens completely randomly, in a random selection of 10, calculate the following probabilities,...
(1) A company that produces fine crystal knows from experience that 10% of its goblets have...
(1) A company that produces fine crystal knows from experience that 10% of its goblets have cosmetic flaws and must be classified as "seconds." (a) If 6 goblets are randomly selected, what is the probability that only one is considered a second? (b) If 6 goblets are randomly selected, what is the probability that at least 2 are seconds? (c) Find EX, VX, and SDX a lab assistant to randomly select 8 of the specimens for analysis. (2) A geologist...
A medical doctor has a data set about her patients. From her past data, she knows that she will have 80% follow-up visits after her first contact with her patients (a) If she has 10 patients today, what is the probability that the follow-up patients will be exactly 6? (b) Now consider 60 patients, then what is the probability that she will have at least 50 follow-up patients? (use the central limit theorem) (c) Out of 60 patients, what is...
20. The owner of a doughnut shop knows from past experience that on a daily basis, 80% of the apple fritters made are sold. Based on this knowledge, the owner makes 30 fritters available for sale on a given day (a) If the owner needs to sell 20 fritters a day to break even find the probability that on a given day she will make a profit (b) What is the probability that, over a 7 day period, the owner...
1 , A pharmaceutical lab did an extensive analysis on a drug and found that the drug causes negative side effects in 3 of every 100 patients. To confirm this affirmation, another laboratory chooses 5 people at random who have consumed the drug. What is the probability of the following events? a. None of the five patients experience side effects. (5 points) b. At least two experience side effects. (5 points) c. What is the average number of patients that...
Researchers selected 893 patients at random among those who take a certain widely-used prescription drug daily. In a clinical trial, 21 out of the 893 patients complained of flulike symptoms. Suppose that it is known that 1.9% of patients taking competing drugs complain of flulike symptoms. Is there sufficient evidence to conclude that more than 1.9% of this drug's users experience flulike symptoms as a side effect at the a = 0,1 level of significance? Because npo (1-P) -010, the...
(1) A company that produces fine crystal knows from experience that 10% of its goblets have cosmetic flaws and must be classified as "seconds." (a) If 6 goblets are randomly selected, what is the probability that only one is considered a second? (b) If 6 goblets are randomly selected, what is the probability that at least 2 are seconds? (c) Find EX, VX, and SDX a lab assistant to randomly select 8 of the specimens for analysis. (2) A geologist...
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