Eye Color Вгowh 40% Other Blue 10% 30% Green A USE SALT If a student is selected at random, what is the probability he/she does not have brown eyes? 1.6 Suppose a simple random sample of 70 students from this district is selected. What is the probability that at least half of them have brown eyes? (Use SALT. Round your answer to three decimal places.) 2 Suppose a simple random sample of 70 students from this district is drawn. What is the probability that at least half of them have either brown or green eyes? (Use SALT. Round your answer to three decimal places.) 3
Eye Color Вгowh 40% Other Blue 10% 30% Green A USE SALT If a student is selected at random, what is the probability he/she does not have brown eyes? 1.6 Suppose a simple random sample of 70 students from this district is selected. What is the probability that at least half of them have brown eyes? (Use SALT. Round your answer to three decimal places.) 2 Suppose a simple random sample of 70 students from this district is drawn. What is the probability that at least half of them have either brown or green eyes? (Use SALT. Round your answer to three decimal places.) 3
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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
Transcribed Image Text:The following pie chart gives the eye color of all students in a large school district.
Eye Color
Browf
40%
Other
Blue
10%
30%
Green
n USE SALT
(a) If a student is selected at random, what is the probability he/she does not have brown eyes?
1.6
(b) Suppose a simple random sample of 70 students from this district is selected. What is the probability that at least half of them have brown eyes? (Use SALT. Round your answer to three decimal
places.)
2
(c) Suppose a simple random sample of 70 students from this district is drawn. What is the probability that at least half
three decimal places.)
them have either brown or green eyes? (Use SALT. Round your answer to
3
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