Suppose that a box contains 8 DVDs and that 3 of them are defective. A sample of 2 DVDs is selected at random without replacement. Define the random variable X as the number of defective DVDs in the sample. If necessary, round your answers to three decimal places. Write the probability distribution for X. P(X = x) X What is the expected value of X? Submit Questi

Q: Construct a probability distribution and show your complete solution

A: Given that, T=no. of heads in three tosses of a coin S=coin are three times are tosses

Q: A ball is drawn randomly from a jar that contains 5 red balls, 7 white balls, and 4 yellow balls.…

A: From the given information, there are 5 red balls, 7 red balls and 4 yellow balls. The total number…

Q: According to a recent study, 23% of peanut M&M's are brown, 10% are yellow, 15% are red, 23% are…

A: The probability of M&M is yellows (p) is 0.10. The sample size n is 4.

Q: A die is rolled two times. Let x denote the sum of the two numbers. a- List all the possible values…

A:

Q: Approximately 70% of all projects at the work place were finished before the due date. Assume each…

A:

Q: let x be the number of smokers in a family composed of a husband and a wife. X is a random variable…

A: Given information:Let X be  the number of smokers in a family composed of a husband and a wife.The…

Q: Suppose a certain towing service receive requests for assistant in an average of 10 per hour. Let…

A: Given, the number of requests for assistance received by a towing service is a Poisson process with…

Q: A six-sided die has four green and two red faces and is balanced so that each face is equally likely…

A: Given A six sides die and it has 4 green faces and 2 red faces.we need to find the distribution…

Q: A hospital is testing patients for Covid daily. The probability that a patient has covid is 34%.…

A: given data P(have covid 19) = p = 0.34sample size n = 16x = no. of patients have covidP(x=X) =…

Q: Assume that you have decided to sample your production run and you assume that you sample is…

A: Total number of parts sampled = 192Number of parts that meet specifications = 108Number of parts…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.26​%. A random sample of 30 of…

A: Given that.   X~N( μ , ?)   μ=2.26   , ?=1.20   Z-score =( x - μ )/?

Q: Let X be a random variable representing the number of Vitamin C packs, that a pharmacist sells per…

A: Given, The pharmacist sells on the average 5 Vitamin C packs per hour Let X be a random variable…

Q: An un contains 4 white balls and 6 red balls. A second um contains 7 white balls and 3 red balls. An…

A: It is given that the probability of selecting the first urn is 0.9.

Q: List all of the possible values of the random variable X

A: Since , a disciplinary board at a university consists of 6 faculty members, 2 administrators, and 1…

Q: If the random variable X is defined as the number of successful free throws from 3 throws, the…

A: From the given information we find probability

Q: 40% of consumers believe that cash will be obsolete in the next 20 years. Assume that 7 consumers…

A:

Q: A discrete random variable X is defined as the number of heads in 4 independent coin flips. What is…

A: Introduction The answer I provided describes the probability calculation for a discrete random…

Q: J&T express delivers packages to customers of online shop. The probability of delivering a package…

A:

Q: two balls are drawn in succession without replacementfrom a box contsining two red nall, three green…

A: Given that a box consists of; 2 red balls 3 green balls 4 yellow balls Now two balls are drawn…

Q: Suppose you are rolling a die for 4 times. Let x be the random variable finding how many times you…

A: a) Given that the die will be rolled 4 times. So the possible values of x is= 0, 1, 2, 3, 4.

Q: ive males with an​ X-linked genetic disorder have one child each. The random variable x is the…

A: A probability distribution is not given.

Q: Find the expective value for the random variable have the specified histogram.

A: From the given histogram we make a frequency table first. xi 1 2 3 4 frequency (fi) 2 4 3 1…

Q: Suppose that a box contains 8 cameras and that 3 of them are defective. A sample of 2 cameras is…

A: Given that a box contains 8 cameras and that 3 of them are defective.  Probability that it is…

Q: Bob plays a game in which a dice is rolled until an odd number occurs. Bob wins 10 – x dollars if x…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: plant a. Construct the probability distribution of the random variable, X, representing the number…

A:

Q: 40% of consumers believe that cash will be obsolete the next 20 years. Assume that 8 consumers are…

A: Given thatp = 0.40n = 8X ~Binomial(n, p) X ~ Binomial (8, 0.40)The PMF of the Binomial distribution…

Q: variable X has a binomial distribution. If it does, state the number of trials n. If it does not,…

A:

Q: What is the expected value of X

A:

Q: Suppose you are rolling a die for 4 times. Let x be the random variable finding how many times you…

A: Probability of an event is the chance of occurrence of the event, and its value lies between 0 and…

Q: Assume that a procedure yields a binomial distribution with a trial repeated n=5n=5 times. Use some…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: In a semiconductor manufacturing process, two semiconductors from a lot are tested. Each of the two…

A:

Q: Two friends come to the bus stop at random times between 1 and 2 pm. The bus arrives every 15…

A:

Q: Based on the survey assume that 49% of consumers are comfortable having drones deliver their…

A: Obtain the probability that 5 consumers are randomly selected exactly 2 of them are comfortable with…

Q: A poll reported that 63% of adults were satisfied with the job the major airlines were doing.…

A: 63% of adults were satisfied with the job the major airlines were doing.Sample size  adults.