My Notes Ask Your Teacher 3. +-/1 points DevoreStat9 2..076. Suppose that a flaw

Question

My Notes Ask Your Teacher 3. +-/1 points DevoreStat9 2..076. 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 6 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 possibilit Assuming at the L billion ure s 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.) Need Help?Readit Taik to a Tutor

Explanation / Answer

Probability of an error in 1 divide
P(E) = 1/ 6 billion

and the probability of no error in one divide
P(E) = 1 1/6 billion

The probability that 1 billion divisions performed using the flawed chip will result in no errors is
P(E) = (1 1/6 billion)1 billion

Probability of at least one error in one billion divides
P(at least one error) = 1 (1 1/6 billion)1 billion

= 1 - 0.84648 = 0.15352

Thus,

P(at least one error) = 0.1535

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