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Suppose that a flaw in a certain computer chip installed in computers was discovered that could result in a wrong answer when performing a division. The manufacturer initially claimed that the chance of any particular division being incorrect was only 1 in 11 billion, so that it would take thousands of years before a typical user encountered a mistake. However, statisticians are not typical users; some modern statistical techniques are so computationally intensive that a billion divisions over a short time period is not outside the realm of possibility. Assuming that the 1 in 11 billion figure is correct and that results of different divisions are independent of one another, what is the probability that at least one error occurs in one billion divisions with this chip? (Round your answer to four decimal places.)
suppose bolts are being manufactured using a process so that it is known that the length of the bolts follows a normal
describe an alternative to counterbalancing as a means of controlling confounding variables. give an example to back up
a genetic experiment involving peas yielded one sample of offspring consisting of 426 green peas and 145 yellow peas.
Suppose that a group of 48 students who took the SAT was chosen. If you wanted to calculate a probability for the average SAT score for these 48 students, what is the standard error.
consider the following summary data on the modulus of elasticity times106 psi for lumber of three different grades in
There are three types of bread, three types of meat, three types of cheese, and four types of topping. How many different sandwiches can the restaurant make?
if a student scored 7.5 in his exam while the class mean is 8.7 and the standard deviation is 1.1 how much percent of
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Within what values will 95.44 percent of sample means of this process fall, if samples of n = 14 are taken and the process is in control (random)?
The relative frequency distribution of the number of TVs sold in a day in a department store in the last year is as follows: Compute the mean and standard deviation of this distribution.
In how many ways can a committee of 6 members be selected from out of these 12? Find the probability that a random committee contains all males?
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