5. a.) Threatened and in the U.S.?b.) An endangered foreign bitd? sc.) A mammal or a threatened foreign species?d.) If the species is threatened and foreign, it is a mammal?e.) The species is an amphibian?f.) The species is a reptile, endangered and not foreign?g.) The species is not endangered?h.) Assume the species is endangered, what's the probability that it is a bird and that it's from the U.S.? **Table and Probability Questions on Endangered and Threatened Species**The following table displays the number of endangered and threatened species categorized by their location (U.S. or Foreign) and type (Mammals, Birds, Reptiles, Amphibians). | | Endangered | | Threatened | | Totals ||--------------------|------------|-------------|------------|-------------|--------|| | U.S. | Foreign | U.S. | Foreign | || **Mammals** | 68 | 251 | 10 | 20 | 349 || **Birds** | 77 | 175 | 13 | 6 | 271 || **Reptiles** | 14 | 64 | 22 | 16 | 116 || **Amphibians** | 11 | 8 | 10 | 1 | 30 || **Totals** | 170 | 498 | 55 | 43 | 766 |**Questions:**a) What is the probability that a randomly chosen species is threatened and in the U.S.?b) What is the probability of selecting an endangered foreign bird?c) Determine the probability of selecting either a mammal or a threatened foreign species.d) If a species is threatened and foreign, what is the probability that it is a mammal?e) What is the probability that the species is an amphibian?f) Calculate the probability that the species is a reptile, endangered, and not foreign.g) What is the probability that the species is not endangered?h) If the species is known to be endangered, what is the probability that it is a bird and from the U.S.?These questions require the application of probability rules to derive the likelihood of various combinations of characteristics among endangered and threatened species.

"As per bartleby guidlines, we will solve the first three sub parts only, to solve the remaining…

5. Consider the following contingency table which shows the numbers of endangered and threatened species both in this country and abroad. If one species is chosen at random, find the following probabilities. Endangered Threatened Mammals Birds Reptiles Amphibians Totals U.S. 68 77 14 11 170 Foreign 251 175 64 8 498 a.) Threatened and in the U. S. ? b.) An endangered foreign bird? c.) A mammal or a threatened foreign species? d.) If the species is threatened and foreign, it is a mammal? U.S. 10 13 22 10 55 Foreign 20 6 16 1 43 Totals 349 271 116 30 766 The species is an amphibian? The species is a reptile, endangered and not foreign? g.) The species is not endangered? h.) Assume the species is endangered, what's the probability that it is a bird and that it's from the U.S.?

5. Consider the following contingency table which shows the numbers of endangered and threatened species both in this country and abroad. If one species is chosen at random, find the following probabilities. Endangered Threatened Mammals Birds Reptiles Amphibians Totals U.S. 68 77 14 11 170 Foreign 251 175 64 8 498 a.) Threatened and in the U. S. ? b.) An endangered foreign bird? c.) A mammal or a threatened foreign species? d.) If the species is threatened and foreign, it is a mammal? U.S. 10 13 22 10 55 Foreign 20 6 16 1 43 Totals 349 271 116 30 766 The species is an amphibian? The species is a reptile, endangered and not foreign? g.) The species is not endangered? h.) Assume the species is endangered, what's the probability that it is a bird and that it's from the U.S.?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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