4.A die is rolled 180 times with the following results. Is this a balanced die? Conduct a hypothesis test using a 0.01 level of significance. [15 poinis]

2. Traveling between bwo areas in a city via shuttle bus is believed to take 18 minutes with a standard deviation of 5 minutes. During a period of time, the shuttle bus operated 30 times between this route. What is the probability that the average transport time was more than 25 minutes? Do you need to assume a certain prob