Question: 2. (5 marks) Suppose we select a simple random sample (SRS) of 4 numbers between 1 and 25. Note: SRS means that we are sampling

2. (5 marks) Suppose we select a simple random sample (SRS) of 4 numbers between 1 and 25. Note: SRS means that we are sampling without replacement. a) How many unordered samples of size 4 are possible? (2 marks) b) What is the probability that the sum of the values in our sample is less than 15

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