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**dorwei92** **1. ****If a fair die was tossed four times in a minute, how many times would you expect even numbers to show up in a 15-minute interval? **

**2. The average number of accidents in a randomly chosen day at the factory is 0.7. What is the chance that there will be no accidents in any given day at the factory? **

**3. ****The number of prawns in a randomly chosen prawn dumpling is 2.2. What is the chance that there is at least one prawn in a randomly chosen dumpling? **

**4. ****Between 9a.m. and 10a.m., the reception counter of a company receives visitors at a rate of 5 per ten minutes. Assuming that the visitors arrive at random points in time, determine the probability that:**

**a. ****no visitors arrived in a randomly chose minute**

**b. ****at least one visitor arrived in a randomly chosen fifteen-minute period.**