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If 25% of the people who are given a certain drug experience dizziness,...
art 2 The mean number of accidents at a certain intersection is about five. Find the...
art 2 The mean number of accidents at a certain intersection is about five. Find the probability that the number of accidents at this certain intersection on any given day is exactly seven, at least six, no more than four. Part 3. Thirty-eight percent of adults say that Google news is a major source of new for them. You randomly select 17 adults. Find the probability that the number of adults who say that Google news is a major source...
5. In clinical trials of a certain drug, 435 were given a placebo and 129had an...
5. In clinical trials of a certain drug, 435 were given a placebo and 129had an allergic reaction ( or at least claimed that they did). Among 831 people who were given 10mg of the drug, 220 had an allergic reaction. a. Find the 95% confidence interval for the proportion of patients in the placebo group who had an allergic reaction. ( round to three decimal places) b. Find the 95% confidence interval for the proportion of patients who took...
San Diego in your view were is found that one in five people approach will agree...
San Diego in your view were is found that one in five people approach will agree to take part in her survey on drug abuse and interview were approaches seven people at random find the probability the most to will agree to an interview b ) San Diego interview has found that one in four people approach will take part on a survey on drug abuse an interviewer approaches eight people at random what is the mean and the standard...
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)...
A study is done of people who have been charged by police on a drug-related crime in a large urba...
A study is done of people who have been charged by police on a drug-related crime in a large urban arca. A conviction must take place in order for there to be a sentence of jail time The following information is determined: 75% are convicted. 10% of those convicted actually did not commit the crime. 25% ofthose not convicted actually did commit the crime. 2% of those who actually did not commit the crime are jailed. 20% of those who...
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)...
Problem #3: A sample of 128 hypertensive people were given an anti hypertensive drug and the drug...
Problem #3: A sample of 128 hypertensive people were given an anti hypertensive drug and the drug was found to be effective in 52 of those people. (By effective, we mean that their diastolic blood pressure is lowered by at least 10 mm Hg as judged from a repeat measurement taken 1 month after taking the drug.) (a) Find a 94% confidence interval for the true proportion of the sampled population for which the drug is effective (b) Using the...
In a city, assume 25% of citizens are smokers. When 20 people in the city are...
In a city, assume 25% of citizens are smokers. When 20 people in the city are randomly surveyed, find each of the following probabilities. (a) [10 points] What is the probability that exactly 6 peoples are smokers? (b) [10 points] What is the probability that at least 3 people are smokers?
In a certain population, one out of 25 people are color blind, on average. (a) If...
In a certain population, one out of 25 people are color blind, on average. (a) If a random sample of 30 people is chosen, what is the probability that there is at least one color blind person? Hint: Find the probability that none of the 30 people is color blind. (b) Use the inclusion-exclusion formula to find the probability that in a random sample of two people (i.e., the people are independently chosen), at least one of the two is...
1. A certain medical test is known to detect 72% of the people who are afflicted...
1. A certain medical test is known to detect 72% of the people who are afflicted with the disease Y. If 10 people with the disease are administered the test, what is the probability that the test will show that: All 10 have the disease, rounded to four decimal places? .0374 At least 8 have the disease, rounded to four decimal places? At most 4 have the disease, rounded to four decimal places? Please show the steps in Microsoft excel...
A study is done of people who have been charged by police on a drug-related crime in a large urban arca. A conviction must take place in order for there to be a sentence of jail time The following information is determined: 75% are convicted. 10% of those convicted actually did not commit the crime. 25% ofthose not convicted actually did commit the crime. 2% of those who actually did not commit the crime are jailed. 20% of those who...
Problem #3: A sample of 128 hypertensive people were given an anti hypertensive drug and the drug was found to be effective in 52 of those people. (By effective, we mean that their diastolic blood pressure is lowered by at least 10 mm Hg as judged from a repeat measurement taken 1 month after taking the drug.) (a) Find a 94% confidence interval for the true proportion of the sampled population for which the drug is effective (b) Using the...
In a city, assume 25% of citizens are smokers. When 20 people in the city are randomly surveyed, find each of the following probabilities. (a) [10 points] What is the probability that exactly 6 peoples are smokers? (b) [10 points] What is the probability that at least 3 people are smokers?
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