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Lec4PracProb

# Lec4PracProb - difference between expected and observed...

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In an experiment you do a chi-square test comparing observed and expected progeny. Your calculated chi square is 0.375. With 1 degree of freedom, this corresponds to a probability between 0.9 and 0.5. What does this mean? a. There is between a 50% and 90% chance that you did the experiment correctly. b. There is greater than a 50% chance that the difference between expected and observed progeny is due to something other than chance. c. You probably made an error in calculating your expected progeny to obtain this probability. d. There is a between a 50% and 90% chance that the

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Unformatted text preview: difference between expected and observed progeny is due to chance. Practice Problem A tall, purple flower plant with genotype Tt Pp is crossed with a tall, white flower plant of genotype Tt pp . What is the probability of obtaining progeny with genotype TTpp ? a. 1/8 b. 1/4 c. 1/2 d. 2/3 e. 3/4 Practice Problem For the parent plants described in the previous question, what is the probability of obtaining offspring that are short and have purple flowers? a. 0 b. 1/8 c. ¼ d. 1/3 e. ½ Practice Problem...
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Lec4PracProb - difference between expected and observed...

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