The random variable x represents the number of phone calls an author receives in a day, and it has a Poisson distribution with a mean of 8.6 ca What are the possible values of x? Is a value of x = 2.9 possible? Is x a discrete random variable or a continuous random variable? What are the possible values of x? О А. 1, 2, 3, ... О В. 0, 1, 2, 3, ... O C. any real number greater than or equal to 0 O D. any real number greater than or equal to 0 and less than or equal to 8.6 Is a value of x = 2.9 possible? Is x a discrete random variable or a continuous random variable? A value of x = 2.9 V possible because x is a V random variable. continuous discrete

Q: 7. (6) A study conducted at a certain college shows that 54% of the school's graduates find a job in…

A: Probability of the school's graduates =p=54% n=sample size=9

Q: Suppose j and k are two independent events with P(j) =0.35 and p(k) = 0.19 what is the p(j and k^c)?…

A: Given  P(j)=0.35, P(k)=0.19   P(j and k^c)=?  Where j and k are independent

Q: B/ There are 3 defective motherboards in a package of 10. Two are randomly selected without…

A: Given: Number of motherboards in a package = N = 10 Number of defective motherboards =K = 3   Number…

Q: 8. Suppose that a recent poll of American households about pet ownership found that for households…

A: Given information: P(Owned dog) = 0.39 n = 120

Q: a. P(0) = (Round to four decimal places as needed.) b. P(1) = (Round to four decimal places as…

A: a. The mean number of homicides per city-year is, λ=140280=0.5 The mean number of homicides per…

Q: Suppose that x is a Normally distributed random variable with an unknown mean µ and known standard…

A: The three-sigma rule is also called as 68-95-97.5 rule. In other words, it is called an empirical…

Q: per time Q7] Suppose that in a production of spark plugs the fraction of defective plugs has been…

A: Given data  P(defective) = p = 0.02 so p(no defective ) = 1-0.02 = 0.98  Inspect two products.  We…

Q: A random variable has CDF given by Fi A i = 0, 1, 2 1 i = 3 if A = 0.56, then what is p₂?

A: The cumulative distribution function ( C.D.F.) of a random variable X is defined by…

Q: 19. There are 5 green, 3 red, and 2 blue balls inside a jar. What is the probability of getting a…

A: As per our guidelines we are supposed to answer only 3 sub-parts of  any question so I am solving…

Q: sees Before every flight, the pilot must verify that the total weight of the load is less than the…

A:

Q: A store gathers some demographic information from their customers. The following chart summarizes…

A: Given, Age Number of customers < 20 50 20-30 73 30-40 94 40-50 99 50-60 82 >=60…

Q: The random variable X has probability distribution given by (x-1 x = 2, 3, 4, 5, 6, 7 36 P(X = x) =…

A: Given : Probability distribution function. Here m is missing, we have to calculate value of m We…

Q: A test of 100 motor is done to determine the defective motors. The probability that a motor is…

A:

Q: According to the table what is the probability that a person with leprosy is from a high income…

A: Let A denote the High income country and B denote the Americans. The objective is to compute the…

Q: Before every flight, the pilot must verify that the total weight of the load is less than the…

A: The probability that the aircraft is overloaded is, Thus, the probability that the aircraft is…

Q: The probability that a tutor will see 0, 1, 2, 3, or 4 students. Question 1 X 1 2 P(x) 0.05 0.1 0.05…

A: The given prob. distribution for the no. of students seen by a tutor is: x 0 1 2 3 4 Px 0.05…

Q: "Among a group of coworkers, 12 choose pizza for lunch and 8 students choose sushi. A random sample…

A: Solution

Q: 7. Table 17 gives the probability distribution of the random variable U. Table 17 k 0 1 3 4 Pr (U=…

A: Answer: - Given the probability distribution  table                 k P(U = k) 0 4/15 1 2/15…

Q: ippose Ai k, and all random variables are independent, i.e. A; s are dependent and identically…

A: Given,..To find the distributions.

Q: Mean lifetime of these batteries (i) (ii) Probability that such battery will last more than 300 hrs.

A:

Q: 5. A group of 80 students, including Charles and Lydia, are randomly split into 4 classes of equal…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Let X be a random variable with probability distribution as shown below: if x<0 f(x) = { 1 e 5.6 5.6…

A:

Q: Suppose a study of speeding violations and drivers who use cell phones produced the following data:…

A: Given :   Speeding violation in last year No spreading violation in last year Total  Use phone…

Q: Before every flight, the pilot must verify that the total weight of the load is less than the…

A: We have to use sampling distribution of sample mean.

Q: For items 8-15, suppose four students are selected at random from the gathered date. Let C be the…

A: 8) total sample points generated will be 24= 16 9) The values of the random variable C is 0,1,2,3,4

Q: . There is a fire sensor system in a building. In long series of experiments, it was found that the…

A: Given Information : In the case of a fire, the sensor system will be activated with probability…

Q: The range of random variables X is [0,a,b,c,x] where x is unknown. If each value is equally likely…

A: The random variable X takes the values 0, a, b, c. &amp; x where a= 1, b = 2, c = 3. Since there are…

Q: using the table below. Outcome Probability '/131 BICID /1311/13 10/13 3/13 PCX PLA)A P(B 13+13 1/13…

A: From the provided information, Outcome A B C D Probability 1/13 1/13 1/13

Q: (9 - 11) Suppose customers arrive at a shop on the average of 30 per hour in accordance with a…

A: Given that customers arrive at a shop on the average of 30 per hour in accordance with a Poisson…

Q: Among uses of automated teller machines (ATMS), 94% use ATMS to withdraw cash and 32% use them to…

A: P(A | B) = P(A ∩ B)P(B)

Q: 1. Discrete or continuous A. My time on an agility course. B. My score on the course (Whole…

A: as per our company guidelines we are supposed to answer only first parts. Kindly repost other parts…

Q: A random variable x has a binomial distribution with n = 10 and success probability 7 = 0.2. Find…

A: Hey there! Thanks for posting the question. Your question has more than three sub-parts. However, we…

Q: QUESTION 22 A lot of 50 bulbs contains 11 that are defective. The lot is to be inspected by choosing…

A:

Q: 4-145. + The time between arrivals of customers at an auto- matic teller machine is an exponential…

A: A.)   expected number of customer in 10 minutes =10/5 =2 therefore from Poisson distribution:…

Q: Suppose a study of speeding violations and drivers who use cell phones produced the following data:…

A: speeding violation no speeding violation total use cell phone 50 295 345 not use cell phone 60…

Q: Which of the following random variables is not discrete? a. The number of times a die is tossed…

A: Discrete variables are finitely countable, However, the continuous variable is infinitely countable.…

Q: A manager is simulating the number of times a machine operator stops a machine to make adjustments.…

A:

Q: The number of gamma rays emitted per second by a certain radioactive substance is a random variable…

A: The number of gamma rays emitted per second by a certain radioactive substance is a random variable…

Q: 10. Let X denote the number of bits received in error in a digital communication channel, and assume…

A:

Q: 4) Suppose x is a random variable best described by a uniform probability distribution with a = 20…

A: 4)Givena=20b=40A random variable x~Uniform(20,40)f(x)=1b-a    a≤x≤b

Q: 9. A discrete random variable can take all integer values from 1 to k each with the probability of…

A: