4. Five individuals from an animal population thought to be near extinction in a certain region have been caught, tagged and released to mix into the population. After they have had the opportunity to mix, a random sample of 10 of these animals is selected without replacement. Let X represent the number of tagged animals in the second sample. Suppose there are actually 25 animals of this type in the region. (a) Find the probability that fewer than 2 of the animals are tagged in the second sample. (b) Find P(3< X ≤ 5).
4. Five individuals from an animal population thought to be near extinction in a certain region have been caught, tagged and released to mix into the population. After they have had the opportunity to mix, a random sample of 10 of these animals is selected without replacement. Let X represent the number of tagged animals in the second sample. Suppose there are actually 25 animals of this type in the region. (a) Find the probability that fewer than 2 of the animals are tagged in the second sample. (b) Find P(3< X ≤ 5).
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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Please explain how to do this question. It’s confusing me.
Transcribed Image Text:(e) Recalculate the probability that 12 students are enrolled in Material Science this time
with replacement.
4. Five individuals from an animal population thought to be near extinction in a certain
region have been caught, tagged and released to mix into the population. After they
have had the opportunity to mix, a random sample of 10 of these animals is selected
without replacement. Let X represent the number of tagged animals in the second
sample. Suppose there are actually 25 animals of this type in the region.
(a) Find the probability that fewer than 2 of the animals are tagged in the second sample.
(b) Find P(3< X ≤ 5).
26
Transcribed Image Text:21. A jury of 12 people is selected at random from a group of 16 men and 18 women. What
is the probability that a randomly selected jury contains exactly 7 women?
4.2
Final Answers
1. (a) 0.6365
(b) 0.577
(c) 0.0595 The requirement for using the Poisson approximation is not met.
2. (a) 0.19 (b) 0.427
3. (a) 0.0317
(b) 0.9999
(b) 0.0640
5. (a) b¹-4a³6³ +6a6b²-4a³b + a ¹²
(b) $2.94
4. (a) 0.3134
6. (a) $1.77
7. (a) 0.379
9. (a) 0.0907
(b) 0.9058
(c) 0.9876 (d) binomial (e) 0.0355
(b) 0.221
(c) 0.2205
(c) 10.8
(c) 0.308
(d) 0.6418
(d) 2.0785
(d) 0.873
(e) 0.6418
Poisson
3.1 App
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