1. Which of the following is a discrete random variable?A. Average weight of female athletes.B. Average amount of electricity consumed.C Number of suspected cases of COVID-19.D. Amount of paint used in repainting a building.2. Which of the following represents a probability distribution?A.с.2.3PIX) 0.38 0.36 0.30 0 12D.PIX) 0.35 0.31 0 22 0. 122.4.2.4.6.PIX)1/6 3/6 2/61/6P(X) 1/3 4/3 2/31/33. Which of the following is the expected value of the variable x?B. MedianС. ModeD. VarianceA MeanB.

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1. Which of the following is a discrete random variable? A. Average weight of female athletes. B. Average amount of electricity consumed. C Number of suspected cases of COVID-19. D. Amount of paint used in repainting a building.

1. Which of the following is a discrete random variable? A. Average weight of female athletes. B. Average amount of electricity consumed. C Number of suspected cases of COVID-19. D. Amount of paint used in repainting a building.

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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

1. Which of the following is a discrete random variable?
A. Average weight of female athletes.
B. Average amount of electricity consumed.
C Number of suspected cases of COVID-19.
D. Amount of paint used in repainting a building.
2. Which of the following represents a probability distribution?
A.
с.
2.
3
PIX) 0.38 0.36 0.30 0 12
D.
PIX) 0.35 0.31 0 22 0. 12
2.
4.
2.
4.
6.
PIX)
1/6 3/6 2/6
1/6
P(X) 1/3 4/3 2/3
1/3
3. Which of the following is the expected value of the variable x?
B. Median
С. Mode
D. Variance
A Mean
B.

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