Consider the following discrete probability distribution. a. Complete the probab

Question

Consider the following discrete probability distribution. a. Complete the probability distribution. (Round your answer to 2 decimal places.) P(X = 15) c. What is the probability that the random variable X is positive? (Round your answer to 2 decimal places.) Probability d. What is the probability that the random variable X is greater than -30? (Round your answer to 2 decimal places.) Probability e. What is the probability that the random variable X is less than 20? (Round your answer to 2 decimal places.) Probability

Explanation / Answer

WE ARE ASKED TO ANSWER 4 BITS OR 1 QUESTION REST POST SEPERATELY

SolutionA:

total probability=1

0.5+0.16+x+0.12=1

0.78+x=1

x=1-0.78

x=0.22

P(x=15)=0.22

solutionb:

for x=15, 20

probbaility=0.22+0.12=0.34

Solutionc:

X>-30

means

x=-5,15,20

probability=0.16+0.22+0.12=0.5

Solutione:

x<20

x=-35,-515

probability=0.50+0.16+0.22=0.88

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