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Prepare a probability distribution then find the mean, variance and standard deviation for the courses completed by the students in a certain college.

Prepare a probability distribution then find the mean, variance and standard deviation for the courses completed by the students in a certain college.

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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can someone show me the full solutions for these? i cannot seem to figure out the step by step.
1. Prepare a probability distribution then find the mean, variance and standard deviation for the courses completed by the students in a certain college. Number of Students (X) Course Tourism 285 HRM 460 Business Administration 152 Mass Communication 185 Architecture and Engineering 98 1,180 Total 2. Results of a study conducted to determine the water consumptions in number of cubic meters of households in a subdivision along with the corresponding probabilities are show below. Find the mean, variance and standard deviation. Number of 48 50 52 54 56 cubic meters |(). Probability P(X) 0.25 0.30 0.18 0.15 0.12 3. The number of inquiries received per day by the Office of Admissions ina certain university is shown below. Find the mean, variance and standard deviation. Number of 22 23 24 25 26 27 Inquiries (X) Probability P(X) X. P(X) X2 . P(X) 0.08 0.19 0.36 0.25 0.07 0.05
Transcribed Image Text:1. Prepare a probability distribution then find the mean, variance and standard deviation for the courses completed by the students in a certain college. Number of Students (X) Course Tourism 285 HRM 460 Business Administration 152 Mass Communication 185 Architecture and Engineering 98 1,180 Total 2. Results of a study conducted to determine the water consumptions in number of cubic meters of households in a subdivision along with the corresponding probabilities are show below. Find the mean, variance and standard deviation. Number of 48 50 52 54 56 cubic meters |(). Probability P(X) 0.25 0.30 0.18 0.15 0.12 3. The number of inquiries received per day by the Office of Admissions ina certain university is shown below. Find the mean, variance and standard deviation. Number of 22 23 24 25 26 27 Inquiries (X) Probability P(X) X. P(X) X2 . P(X) 0.08 0.19 0.36 0.25 0.07 0.05
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