St Worked: 0 Sections rent Score: 23 mpts Score: O of 1 pt 8 or 10 (3 complete)

Question

St Worked: 0 Sections rent Score: 23 mpts Score: O of 1 pt 8 or 10 (3 complete) > W Score: 23.0. 4.6.16 In designing an experiment involving a treatment applied to 6 test subjects 3 Question Help estion 1 (12 of 63 available subjects. (Recall that with a simple random sample, all samples of estion 5 (0/1) below. researchers plan to use a simple random sample of 6 subjects selected from a pool the same size have the same chance of being selected.) Answer the questions estion 9 (0/1) a. How many different simple random samples are possible? TAT 152-10 Pearson E

Explanation / Answer

6 subjects are selected from 63 subjects.

number of ways of selection = 63C6

Where nCr = n! / [(n-r)! * r! ]

Therefore,

63C6 = 63! / (63-6)! * 6!

= 67945521

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