please give me a justification on why youchose that answer 3. Determine whether or not the table is a valid probability distribution of a discreterandom variable. Explain fully(2)a. Yes / Not-24f (x)0.30.40.20.1b. Yes / Not2.4f (x)-0.250.50.350.100.304. A discrete random variable X: no of push ups made by a newly cadet in one attempthas the following probability distribution:(2)770.15780.31790.49800.8781P(X < x)The probability that a cadet will make at least 79 push ups in one attempt is equal toa. 0.31b. 0.691c. 0.85d. 0.51

Note: As per Bartleby’s guideline for more than one questions only first is to be answered please…

Answered: her or not the table is a probability…

her or not the table is a probability distribution ôf å discrete random variable. Explain fully a. Yes/ Not -2 0.3 4 0.4 0.2 0.1 b. Yes/ Not 3 4 (x) -0.25 0.5 0.35 0.10 0.30 2/3

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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Question

please give me a justification on why you
chose that answer

3. Determine whether or not the table is a valid probability distribution of a discrete
random variable. Explain fully
(2)
a. Yes / Not
-2
4
f (x)
0.3
0.4
0.2
0.1
b. Yes / Not
2.
4
f (x)
-0.25
0.5
0.35
0.10
0.30
4. A discrete random variable X: no of push ups made by a newly cadet in one attempt
has the following probability distribution:
(2)
77
0.15
78
0.31
79
0.49
80
0.87
81
P(X < x)
The probability that a cadet will make at least 79 push ups in one attempt is equal to
a. 0.31
b. 0.69
1
c. 0.85
d. 0.51

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