To find: the appropriate significance test is definitely not satisfied in this case of the following conditions.
Answer to Problem 3PT
Both populations are
Explanation of Solution
Conditions for the performing a two-sample z-test: Random, independent and Normal.
Random: Satisfied, because of the samples have given to be random samples.
Normal: Satisfied, because the number of successes (35, 15) and failures (183 -35 =148, 136-15 = 121) are at test 10.
Independent: Satisfied, the reason is that the sample sizes are less than 10% of the population size.
Thus all except for (a) has been satisfied. (a) Cannot be satisfied, because of the number of successes is not near to half the sample therefore the distribution is not symmetric or normal.
Hence, the correct option is (a)
Chapter 10 Solutions
The Practice of Statistics for AP - 4th Edition
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