Question 3. Let Y be a random variable with the pmf p(y) which is positive at y=-2, 0, 2, and zero elsewhere. If E(Y2)= 1, then p(0) is (a) 1/4 (b) 3/4 (c) 1/8 (d) 3/8 (e) none of the above.
Question 3. Let Y be a random variable with the pmf p(y) which is positive at y=-2, 0, 2, and zero elsewhere. If E(Y2)= 1, then p(0) is (a) 1/4 (b) 3/4 (c) 1/8 (d) 3/8 (e) none of the above.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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![Question 3. Let Y be a random variable with the pmf p(y) which is positive at y=-2, 0, 2,
and zero elsewhere. If E(Y2) = 1, then p(0) is
(a) 1/4
(b) 3/4
(c) 1/8
(d) 3/8
(e) none of the above.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb8f3b757-c8c0-4d50-aa1f-ec7d8a67f9f3%2Ff91ffa65-05fa-4ab4-9be9-b64b30b81a52%2Fydznb5a_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 3. Let Y be a random variable with the pmf p(y) which is positive at y=-2, 0, 2,
and zero elsewhere. If E(Y2) = 1, then p(0) is
(a) 1/4
(b) 3/4
(c) 1/8
(d) 3/8
(e) none of the above.
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