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Solution: In Exercise, refer to the sample data in Table,

ISBN: 9780321836960 18

Solution for problem 25BSC Chapter 4.2

Elementary Statistics | 12th Edition

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Problem 25BSC

Problem 25BSC

In Exercise, refer to the sample data in Table, which is included with the Chapter Problem. Assume that one of the subjects included in Table is randomly selected.

XSORT Gender Selection MicroSort’s XSORT gender-selection technique is designed to increase the likelihood that a baby will be a girl. In updated results (as of this writing) of the XSORT gender-selection technique, 945 births consisted of 879 baby girls and 66 baby boys (based on data from the Genetics&IVF Institute). Based on these results, what is the probability of a girl born to a couple using MicroSort’s XSORT method? Does it appear that the technique is effective in increasing the likelihood that a baby will be a girl?

Step-by-Step Solution:
Step 1 of 3

Solution 25BSC

Hence, the probability of a girl born to a couple using MicroSort’s XSORT method is 0.930. The probability that a baby will be girl is very high using XSORT gender-selection technique is very high so the technique appears to be effective.

Step 2 of 3

Step 3 of 3

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Solution: In Exercise, refer to the sample data in Table,