Let X denote the length (in seconds) of the next smile of a ran- domly selected 8-week old baby. Suppose that X is uniformly distributed on the interval [0, 23]. (a) What is the probability that the next smile of a randomly selected 8-week old baby is between 15 and 25 seconds in length? (b) What is the moment generating function M(t) of X? No work is required for this part. 2.

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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**Problem 2:**

Let \( X \) denote the length (in seconds) of the next smile of a randomly selected 8-week old baby. Suppose that \( X \) is uniformly distributed on the interval \([0, 23]\).

(a) What is the probability that the next smile of a randomly selected 8-week old baby is between 15 and 25 seconds in length?

(b) What is the moment generating function \( M(t) \) of \( X \)? No work is required for this part.
Transcribed Image Text:**Problem 2:** Let \( X \) denote the length (in seconds) of the next smile of a randomly selected 8-week old baby. Suppose that \( X \) is uniformly distributed on the interval \([0, 23]\). (a) What is the probability that the next smile of a randomly selected 8-week old baby is between 15 and 25 seconds in length? (b) What is the moment generating function \( M(t) \) of \( X \)? No work is required for this part.
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