Question Description
Here are me questions. Please do these in 1 hour. Thank you. ๐
1. The time needed to complete a practice problem is a random variable with mean 5 minutes and variance 2 minutes. Assume that the time needed to complete different problems are independent. Find the probability that it takes the student more than 5 hours to complete 65 problems.
2. I upload it down here.
3. Just give me the correct choice. You donยt need to write down the steps.
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