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A pharmaceutical company conducted a study to evaluate the effect of an allergy relief medicine; 250 patients with symptoms that included itchy eyes and a skin rash received the new drug. The results of the study are as follows: 90 of the patients treated experienced eye relief, 135 had their skin rash clear up, and 45 experienced both relief from itchy eyes and the skin rash. What is the probability that a patient who takes the drug will experience relief for at least one of the two symptoms?
What is the probability that next week's show will: Have between 30 and 37 million viewers? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.
A researcher conducts an independent measures research study and obtains t= 2.070 with df= 28. How many individuals participated in the entire research study?
Suppose it is known that a new treatment is successful in curing muscular pain in 75% of the cases. If it is tried on 9 patients, find the probability that fewer than 7 patients are cured.
Identify and briefly describe an important process in your workplace, including selection of one key quantitative variable, that you (and others in your organization) consider an important metric for how well the process is functioning.
he length of time a person spends waiting in a physician's office for an appointment can be a frustrating experience. The results below are the responses of internists from two multispecialty group practices to the following question:
Find the distribution of profit for a unit price of $500. Use the Decision Table tool to find the best price between $400 and $600 in steps of $25.
If the limits of the confidence interval of the difference between the means of two normally distributed populations were 3.5 and 5.5 at the 95% confidence level, then we can conclude that we are 95% certain that there is a significant difference ..
An airline estimates that 90% of people booked on their flights actually show up. If the airline books 71 people on a flight for which the maximum number is 69, what is the probability that the number of people who show up will exceed the capacity..
Calculate the standard deviation of the number of available rooms in that sample. Use the central limit theorem to calculate and identify the sampling distribution of the sample mean.
Assume from past information that it is known that the standard deviation of the population is 9 hours. What is the correct conclusion for this hypothesis test?
the life span of a battery is normally distributed with a mean of 2500 hours and at percent of batteries have a life
Use the library, Internet, and other available resources to develop a 6–8 page research proposal that includes the following:Introduction to your topic "Police Discretion" and related issues (variables)
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