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contra is req by a cou planning department to e, four, (depending nature of the project) in applying for a building permit. Let Y = the number of forms required of the next applicant. The probability that y forms are required is known to be proportional to y-that is, p(y) = ky for y = 1, ..., 5. (Enter your answers as fractions.) (a) What is the value of k? [Hint: Š P(Y) = 1] y = 1 k = 115 (b) What is the probability that at most three forms are required? 25 (c) What is the probability that between two and four forms (inclusive) are required? 15 (d) Could p(y): for y = 1, .., 5 be the pmf of Y? 56 ---Select-- because p(Y) = y = 1

contra is req by a cou planning department to e, four, (depending nature of the project) in applying for a building permit. Let Y = the number of forms required of the next applicant. The probability that y forms are required is known to be proportional to y-that is, p(y) = ky for y = 1, ..., 5. (Enter your answers as fractions.) (a) What is the value of k? [Hint: Š P(Y) = 1] y = 1 k = 115 (b) What is the probability that at most three forms are required? 25 (c) What is the probability that between two and four forms (inclusive) are required? 15 (d) Could p(y): for y = 1, .., 5 be the pmf of Y? 56 ---Select-- because p(Y) = y = 1

A First Course in Probability (10th Edition)
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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I solved parts A-C. Can you check my answers? And can you also answer part D

A contractor is required by a county planning department to submit one, two, three, four, or five forms (depending on the nature of the project) in applying for a building permit. Let Y = the number of forms required of the next applicant. The probability that y forms are required is known to be proportional to y-that is, p(y) = ky for y = 1, ..., 5. (Enter your answers as fractions.) 5 (a) What is the value of k? [Hint: p(y) = 1] y = 1 k = 115 (b) What is the probability that at most three forms are required? 25 (c) What is the probability that between two and four forms (inclusive) are required? 15 y? for y = 1, 56 (d) Could p(y) ..., 5 be the pmf of Y? = E P(Y) = --Select--- v because y = 1
Transcribed Image Text:A contractor is required by a county planning department to submit one, two, three, four, or five forms (depending on the nature of the project) in applying for a building permit. Let Y = the number of forms required of the next applicant. The probability that y forms are required is known to be proportional to y-that is, p(y) = ky for y = 1, ..., 5. (Enter your answers as fractions.) 5 (a) What is the value of k? [Hint: p(y) = 1] y = 1 k = 115 (b) What is the probability that at most three forms are required? 25 (c) What is the probability that between two and four forms (inclusive) are required? 15 y? for y = 1, 56 (d) Could p(y) ..., 5 be the pmf of Y? = E P(Y) = --Select--- v because y = 1
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