Answer to Question #99629 in Statistics and Probability for stephen karanja

Question

Mendel's first law. Gregor Mendel in one famous experiment with peas, he crossed pure breeds of tall and dwarf pea plant. In first-generation pea plants were all tall. In second generation(F2) he obtained 787 tall plants and 277 dwarf plants.Mendel's first law of inheritance with a dominant and recessive phenotype. The first law says that we can expect a 3:1 ratio, that is ,3/4 with the dominant and 1/4 with the recessive phenotype, in (F2)
a)Are the conditions for Chi-square goodness-of-fit test satisfied?
b)What are the null and alternative hypotheses for this test?
c)What are the expected counts and null hypothesis?
d)Compute the Chi-square statistic using the p-value.What can you conclude. Do these data support Mendel's first law?

Answer 1

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