Suppose that the probability distribution for the number of years it takes to earn a Bachelor of Science (BSc) degree is given below: 3 4 5 X P(X=x) 0.05 0.4 0.3 0.15 6 0.1 7
Suppose that the probability distribution for the number of years it takes to earn a Bachelor of Science (BSc) degree is given below: 3 4 5 X P(X=x) 0.05 0.4 0.3 0.15 6 0.1 7
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 19E: Suppose a die is rolled 4 times. a. Find the probability distribution for the number of times 1 is...
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![QUESTION 2
a) Suppose that the probability distribution for the number of years it takes to earn a
Bachelor of Science (BSc) degree is given below:
3
5
i)
ii)
X
P(X=x)
SSTS011 MAY
0.05
0.4
0.3
0.15
6
0.1
7
VAL
Define the Random Variable X in words.
What does it mean that the values 0, 1, and 2 are not included for X on the
probability distribution table?
On average, how many years do you expect it to take for an individual to earn
a BSc degree?
iv) What is the variance for the random variable X?
omined and the results were](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F51ef1bf0-e279-421a-87d3-d589073ce689%2F5483cd06-c887-42cd-a911-cc1c812abd6e%2Fe09d7jd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:QUESTION 2
a) Suppose that the probability distribution for the number of years it takes to earn a
Bachelor of Science (BSc) degree is given below:
3
5
i)
ii)
X
P(X=x)
SSTS011 MAY
0.05
0.4
0.3
0.15
6
0.1
7
VAL
Define the Random Variable X in words.
What does it mean that the values 0, 1, and 2 are not included for X on the
probability distribution table?
On average, how many years do you expect it to take for an individual to earn
a BSc degree?
iv) What is the variance for the random variable X?
omined and the results were
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