A policeman inspected the safety of tyres on cars passing through a checkpoint. The number of tyres X which needed replacing on each car followed the probability distribution below. x 0 P(X= x) 0.68 a Find the value of k. c Find P(X> 1), and interpret this value. 1 0.2 2 3 0.06 k b Find the mode of the distribution. 4 0.02

Q: For the given probability distribution, find the missing value ?? x p(x) 0 0.03 1 0.34 2 0.27 3 ??

A: x p(x) 0 0.03 1 0.34 2 0.27 3 ? Conditions for the discrete probability distribution:…

Q: No 72

A: “Since you have posted multiple questions, we will solve first questionfor you. To get the remaining…

Q: find the mean of this probability distribution, round your answer to one decimal place. X 0,1,2,3…

A: x P(X) x*P(x) 0 0.3 0 1 0.2 0.2 2 0.15 0.3 3 0.35 1.05     ∑x*P(x) = 1.55

Q: accompanying table. Complete parts a through c below. Ouserved (wice. in these observations are…

A: As the student wants solutions for band c, So,  submit those only.

Q: Let x be the number of errors that appear on a randomly selected page of a book. The following table…

A: X p(X) X*p(X) X2*p(X) 0 0.73 0 0 1 0.16 0.16 0.16 2 0.06 0.12 0.24 3 0.04 0.12 0.36 4 0.01…

Q: The random variable x represents the number of tests that a patient entering a clinic will have…

A: According to the given information, we have x 0 1 2 3 4 P(x) 317 517 617 217 117

Q: Assume that 11% of Douglas College students are left-handed. Suppose you randomly select 100…

A: Given that n= number of observation= 100 p= probability of success= 11%=0.11 since each trial is…

Q: The discrete random variable X has the following probability distribution (See image below). Solve…

A: Given PMF of X. Now will using this pmf to find mean.x = [15,20,25,30]p(x) = [0.20,.15,.32,0.33]

Q: For the probability distribution, find a. X b. P(y> 2) c. F(y= 6) d. P(y = 6) e. f(y = 4) f. f(y= 6)…

A: The probability distribution:

Q: I'm waiting at a bus stop, I can take the bus 34, which I need to wait for, on average, 10 min, and…

A: Answer:-  Let X, be the random variable represents the time taken to wait for bus 34. Let Y, be the…

Q: The random variable X represents the number of tests that a patient entering a hospital has. Find…

A: The question is about discrete prob. dist. Given :

Q: The average student loan debt for college graduates is $25,000. Suppose that that distribution is…

A: Solution

Q: determine if the following is a probability distribution. justify your answer     x  P(x)    0…

A: x  P(x)    0   0.04    1   0.33    3   0.42    4   0.19    5   0.02

Q: enote the number of broken eggs in a randomly selected carton of one dozen e y | 1 2 3 4 P(y) 0.60…

A: Given that  y= Number of broken eggs in a randomly selected carton of one dozen eggs. z= The number…

Q: x P(x) 0 0.15 1 0.25 2 0.05 3 0.55 Find the mean of this probability distribution. Round your…

A: x P(x) 0 0.15 1 0.25 2 0.05 3 0.55

Q: On a popular app, users rate hair salons as 1, 2, 3, 4, or 5 stars. Suppose a rating is randomly…

A: given data, p(X=1)=0.25p(X=2)=0.19p(X=3)=0.09p(X=4)=0.21p(X=5)=0.26we have to find out the given…

Q: Find the probability a randomly selected z-score is between -1.2 and 2.7. Round your result to 4…

A: Given that, Z scores are -1.2 and 2.7

Q: Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…

A: Given  f(x,y) y 1 2 3 Total x 1 0.10 0.05 0.02 0.17 2 0.10 0.35 0.05 0.50 3 0.03 0.10…

Q: The city of Fairview runs a swim league for teens aged 13 to 17. Suppose a swimmer from the league…

A: x p(x) 13 0.28 14 0.21 15 0.18 16 0.18 17 0.15

Q: The table below shows the probability distribution of the random variable X. a. Find the mean of the…

A:

Q: Let X be the number of errors that appears when I randomly selected page of the a book. The…

A:

Q: Given this table, find the probability of x les 0 1 2 P(x) 0.50 0.25 0.25 X 0.75 0.25 1 0 0.50

A: Pmf of X isx012P(x)0.500.250.25

Q: You repeatedly roll a biased die, where, on any given roll, the probability of each outcome is(pi:…

A: Solution: 4. From the given information, a biased die is rolled repeatedly. The probability of each…

Q: Suppose you choose four people at random from a Statistics class in which you know 20% of the…

A:

Q: Find the mean of the following probability distribution. xx P(x)P(x) 0 0.1536 1 0.2644 2 0.1896 3…

A: In question, We have given two probability distributions and. We'll find the mean of both…