1) A Geo team uses buckets to transport sand from a pile to their project. Each bucket is filled with an average of 40 pounds of sand having a standard deviation of 5 (assume normal distribution). If the team transports 11 buckets full of sand, what is the probability that the sand in their project weighs more than 450 lbs?

2) A Geo team uses buckets to transport sand from a pile to their project. Each bucket is filled with an average of 40 pounds of sand having a standard deviation of 5 (assume normal distribution). The team is considering transporting sand for 2 project --- 800 pounds in total . What is the probability that they can transport this amount in only 19 buckets?

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