QUESTION 2a) Suppose that the probability distribution for the number of years it takes to earn aBachelor of Science (BSc) degree is given below:35i)ii)XP(X=x)SSTS011 MAY0.050.40.30.1560.17VALDefine the Random Variable X in words.What does it mean that the values 0, 1, and 2 are not included for X on theprobability distribution table?On average, how many years do you expect it to take for an individual to earna BSc degree?iv) What is the variance for the random variable X?omined and the results were

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A First Course in Probability (10th Edition)

10th Edition

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Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

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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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Suppose that the random variable xx, shown below, represents the number of speeding tickets a person received in a three-year period. P(x)P(x) represents the probability of a randomly selected person having received that number of speeding tickets during that period. Use the probability distribution table shown below to answer the following questions. xx P(x)P(x) 0 0.3377 1 0.3347 2 0.1744 3 0.0605 4 0.0464 5 0.0463 6+ 0.0000 a) What is the probability that a randomly selected person has received four tickets in a three-year period?P(x=4)=P(x=4)=b) What is the probability that a randomly selected person has received four or more tickets in a three-year period?P(x≥4)=P(x≥4)=c) What is the probability that a randomly selected person has received more than four tickets in a three-year period?P(x>4)=P(x>4)=d) Would it be unusual to randomly select a person who has received four tickets in a three-year period? Yes No e) Which probability should we use to…
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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