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1. In the snapdragon (Antirrhinum majus), individual plants can be red flowered, pink flowered, or white...

1. In the snapdragon (Antirrhinum majus), individual plants can be red flowered, pink flowered, or white flowered. According to a certain Mendelian genetic model, self-pollination of pink-flowered plants should produce progeny that are red, pink, and white in the ratio 1:2:1. A genetic self-pollinated pink-flowered snapdragon plants and produced 234 progeny with the following colors:

Type Red Pink White
Number 54 (58.5) 122 (117.0) 58 (58.5)


Test the null hypothesis that the three colors occur with probabilities ¼, ½, and ¼. Use a chi-square test with α = 0.10.

a.

H0:

HA:

b. Compute the chi-square test statistic.

c. Compute the p-value for the test.

d. Make a conclusion based on the p-value in c.

Math   Statistics-And-Probability   
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