9. A genetic experiment with peas resulted in one sample of offspring that consisted of 408 green peas and 158 yellow peas.
a. Construct a 90% confidence interval to estimate of the percentage of yellow peas.
(Round to three decimal places as needed.)
b. It was expected that 25% of the offspring peas would be yellow. Given that the percentage of offspring yellow peas is not 25%, do the results contradict expectations?
(Round to three decimal places as needed.)
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