MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Please help find the correct awnser for these questions, one is written down and one is in picture format.

 

 

A discrete random variable X has the probability distrbution shown in the table.


Find the value of k.


The following table shows a probability model for the results from her next two games.


x - P(X = x) 

1 - 1/3

2 - 1/3

3 - k

4 - 1/4

 

Select one:
a. 1/3
b. 1/2
c. 1/12
d. 1/4
e. 0

Cumulative Distribution Function (CDF)
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
02468 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 9% 98 100102104
Age at death
Looking at the Cumulative Distribution Function above, what is the probability that the random variable X (age at death for
males in UK in 2018) takes a value less than or equal to x (x in this instance is 45). Formally: P(Xsx) P(X < 45).
Express your answer to the nearest whole percent.
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Transcribed Image Text:Cumulative Distribution Function (CDF) 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 02468 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 9% 98 100102104 Age at death Looking at the Cumulative Distribution Function above, what is the probability that the random variable X (age at death for males in UK in 2018) takes a value less than or equal to x (x in this instance is 45). Formally: P(Xsx) P(X < 45). Express your answer to the nearest whole percent.
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