Question: sir i am stuck for this question My computer crashes on average once every 3 months. What is the probability that it will crash three

sir i am stuck for this question

My computer crashes on average once every 3 months. What is the probability that it will crash three or more times in a year? Q a. 0.7619 0 b. 0.919? O c. 0.0803 0 d. 0.2381 Suppose a certain test is to be taken by 3 students independently, and the time required by any student to complete the test has an exponential distribution with mean 1 hour. Suppose that all the three students start the test at 9 A.M., and the first student to complete the test finishes at 10AM. Determine the probability that at least one other student will complete the test by 11AM. O a. e2 O b. e1 O c. 1 r31 Od.1e_2

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