The table bbw shows a probability density function for a discrete random arabe X. the number...
The table below shows the probability distribution of a discrete random variable X. Values of the random variable X (x) Probability of observing each value of X P(X = x) 6 0.20 7 0.25 8 0.25 9 0.10 10 0.12 11 0.08 Total 1.00 (a) Determine the probability that the random variable X is between 8 and 10, inclusive. (1 mark (b) Determine the probability that the random variable X is at least 9. (1 mark) c. Determine the probability...
Discrete probability problems
0.2 pts Question 12 The table below is a discrete probability distribution in which x represents the number of tudents that a statistics tutor may see on any given day and Pix) represents the probability that the tutor sees that number of students. P(x) О.11 0.18 e.36 e.16 e.14 e.es What is the mean of this discrete probability distribution? (Round to the nearest hundredth.) Question 13 0.2 pts The table below is a discrete probability distribution in...
X is a discrete random variable with the probability distribution function shown in the table: x 0 1 2 3 Pr[X= x] .2 3 .4 a What is the value of a? O A..1 OB..5 Oc..9 O d. 1.0 O E. cannot be determined
Z table.pdf Question 6 4 pts X is a discrete random variable that represents the number of student emails that a professor receives in any given day. The probability distribution for X is summarized in the table below: PIX = x) Calculate the mean of X. Provide a numeric value rounded to two decimal places. Previous Next
The table below represents the probability density function
for the rain available X find the standard deviation of X
ng Numbers Calcula + earn/course/Saa1a356-2cd6-4fc4-9700-47b2031814c4/assignment/5168e143-84c3-443a-bc96-98d4dc647876 d the Standard Deviation of a Discrete Random Variable From Its Probability Density Function Question The table below represents the probability density function for the random variable X. Find the standard deviation of X Round the final answer to two decimal places. POX x) X 0 1/6 4 1/3 8 1/2 O Help nCopy to Clipboard...
5. Let X be a discrete random variable. The following table shows its possible values associated probabilities P(X)( and the f(x) 2/8 3/8 2/8 1/8 (a) Verify that f(x) is a probability mass function. (b) Calculate P(X < 1), P(X 1), and P(X < 0.5 or X >2) (c) Find the cumulative distribution function of X. (d) Compute the mean and the variance of X.
the probability distribution function for the discrete random variable where X is equal to the number of red lights drivers typically run in year follows. x 1,2,3, p(x) 0.70, 0.12 , 0.02 , 0.16 what is the mean of this discrete random variavle?
The discrete random variable X is the number of students that show up for Professor Smith's office hours on Monday afternoons. The table below shows the probability distribution for X. What is the expected value ElX) for this distribution? 16 X 123 Total P(x) 48 30 20.1 1.00 Multiple Choice 1.2 10 c Prey 16 of19 İİ Next pe here to search
Consider the discrete random variables X and Y with the following joint probability mass function: 2 y fxy(x,y) -1 0 1/8 0 -1 1/4 0 1/4 0 1/8 -1 1/8 1 -1 1/8 What is P(X = 1 Y = 0)? Are X and Y independent? 1 1 1 A. 0; independent B. 1/2; independent C. 1/2; dependent D. 1/8; dependent E. none of the preceding 3. Multiple Choice Question Suppose that the number of bad cheques received by a...
The probability density function for a random variable X with a discrete uniform distribution over the integers 1, 2, 3, 4, 5, and 6 is f(x) = 1/6 for x = 1, 2, 3, 4, 5, 6. What is the mean of the distribution of X? The probability density function for a random variable X with a discrete uniform distribution over the integers 1, 2, 3, 4, 5, and 6 is f(x) = 1/6 for x = 1, 2, 3, 4, 5,...