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...
icon
Related questions
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
Transcribed Image Text: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
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Research Ethics
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON