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Mathematics, 11.12.2019 17:31 tayler4766
Wild fruit flies have red eyes. a recessive mutation produces white-eyed individuals. a researcher wants to assess the proportion of heterozygous individuals. a heterozygous red-eyed fly can be identified through its off-spring. when crossed with a white-eyed fly it will have a mixed progeny.
a random sample of 100 red-eyed fruit flies was taken. each was crossed with a whiteeyed fly. of the sample flies, 11 were shown to be heterozygous because they produced mixed progeny.
a) check this data for the conditions necessary for the calculation of a large-sample confidence interval. does it comply or should you use the plus-four interval only?
b) determine a 95% confidence interval for the proportion
c) also use a test of significance at 5% to test the hypothesis that the proportion of heterozygous red-eyed flies is different from 10 %?
d) compare the answer from this test at 5% in c) to that from the 95% confidence interval in b). would you necessarily expect the same answer?
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Wild fruit flies have red eyes. a recessive mutation produces white-eyed individuals. a researcher w...
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