what proportion of offspring will be of use to him? What is the probability that, in 100 such offspring, none will be worthy of further study? And what is the mean value of the number of useful offspring in 100?
what proportion of offspring will be of use to him? What is the probability that, in 100 such offspring, none will be worthy of further study? And what is the mean value of the number of useful offspring in 100?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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A plant breeder knows by experience that when he crosses 2 varieties of currant, 10% of the offspring will be disease-resistance, and that only 20% of the offspring will be sufficiently vigorous growers to warrant further trial. if he wishes to breed plants which are both vigorous and disease-resistant, and these two characteristics are independent of one another.
what proportion of offspring will be of use to him?
What is the probability that, in 100 such offspring, none will be worthy of further study?
And what is the mean value of the number of useful offspring in 100?
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