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Derive the probability that a receptor is occupied by a ligand using a model which treats the L ligands in solution as distinguishable particles. Show that the expression is the same as obtained in the text (eqn 6.19), where the ligands were treated as indistinguishable.
Also, assume that X = number among 20 randomly selected coffee purchasers who select a national brand, and that the random variable X follows the binomial distribution.a. What is the probably that at most 15 customers choose a national brand?
In order to compare the means of two populations, independent random samples of 484 observations are selected from each population, with the following results:
Find the 90% confidence interval for the variance and standard deviation for the time it takes a state police inspector to check a truck for safety if a sample of 27 trucks has a standard deviation of 6.8 minutes.
Jack is doing a project in educational psychology. Before the experiment, he rank-orderes all his participants according to achievement test scores.
A deck of playing cards contains 52 cards, four of which are aces. What is the probability that deal of a five-card hand provides?
Let Y be the number of envelopes for which the machine fails to remove a check. Using the Central Limit Theorem to approximate P{Y≤10}.
You have been asked to study the effects of an employee-wide training program, in a company of 500 employees, designed to reduce the amount of customer complaints.
What is the correct answer to Suppose you were trying to decide which of two machines to purchase. Furthermore, suppose the length to which the machines cut a particular product part was important.
Among the half that had surgery, 80% showed improvement after three months, but only 54% of those who used the wrist splints improved. what's the standard error of the difference in the two proportions?
Find the value of Z-score- standard normal distribution.Find out a value of the standard normal random variable z, call it z0.
Describe each of the following methods of statistical inference in detail (Please try to use layman's terms).
Suppose that a researcher does a study to see how level of anxiety (A 1 = low, A 2 = medium, A 3 = high) is used to predict exam performance (Y).
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