need the answer

Q: Sums of Discrete Random Variables Let X and Y be discrete independent random variables. Let Z = X +…

A: As given that, X and Y are independent.  Where Z= X+Y Then  Generating function of X and Y are given…

Q: Suppose that a fast food restaurant can expect two customers every 3 minutes, on average. What is…

A: Using poisson distribution Find p( x<=4)=?

Q: Are the two events in each scenario mutually exclusive or not? Explain. d) Walking from home to…

A: If the occurrences of both events cannot occur same time, then the events can be called as mutually…

Q: There are 28 students in a class who want to be members in the school 's physics, math and…

A: Let us suppose there are three marbles viz. a red, a green and a blue. From these, there are three…

Q: 2. A heavy vehicle has five identical axles each of which has 8 identical wheels, four on each side.…

A: Each tire has a reliability of 0.9 but for an axle to be fully functional it is required to have at…

Q: Stick or roll is a game involving two players, A and B, and a die with four faces (numbered 1, 2, 3,…

A: Given that, Two players A and B roll four-faced dice. {1, 2, 3, 4} The faces are equally likely to…

Q: Explain how Napier rods can be used to find the product of 123 and 5.  14. How is the process by…

A: We have to find product of 123 and 5 by using Napier rod method. First we will draw complete table…

Q: sample of four electronic components is taken from the output of a production line. The…

A: GivenPr [0 defectives] = 0.6561, Pr [1 defective] = 0.2916, Pr [2 defectives] = 0.0486, Pr [3…

Q: Determine the areas under the normal curve given the mean of the distribution u = 80 and o = 5.5,…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Telephone calls enter a college switchboard on the average of two every three minutes. The…

A: here given  λ  = 2 calls per 3 minute λ = 23 calls per minute

Q: The joint probability density function for X and Y is given by: ((x+y) f(x. y) = x> 0, y > 0, 3x…

A: I solved exactly first question because of bartleby policy if you want more please upload separately

Q: Approximate the measures of center for following GFDT. Data Frequency 70-74 75-79 80-84 2. 85-89…

A: Mean =86.4

Q: 6. Suppose X -U(1.5).which is true?( ) b-a (A) Pla s X sb} = 3 (8) P{3 < X < 6} =- 4 (C) P{0< X < 4}…

A: Given that : X ~ U ( 1 , 5 )  By using uniform distribution we solve this problem.   Note :…

Q: Refer to a random sample of 20 undergraduate students who worked an average of 13.5 hours per week…

A: given that n=20,x bar=13.5,s.d=5,alpha=0.02

Q: a) Mobile company Pear has established that mobile phone sales will increase in the next 6 months…

A: Let  A: Mobile phone sales will increase in the next 6 months B: Interest rates will increase in the…

Q: A). an inaccus ate neuls article from Jueetbook? A). grom ių it Jueittook f inaccurate ?

A: Here Given  Probability that news article come from tweeter boo k = p(T) =  0.60  probability that…

Q: The life expectancy of a fluorescent light bulb is given by the number of hours that it will burn.…

A: Given that                      We have to find sample standard deviation :

Q: V(Y|X = 1)

A:

Q: 46. Jun and Aaron are equally good at chess. They play three games against each other. What is the…

A: Given problem Given that   46)   Jun and Aaron are equally good at chess. They play three games…

Q: How will the MAGNITUDE of the critical value for a two-tailed test compare to the critical value of…

A:

Q: Estimate the proportion of parts from vendor A that are defective and find the uncertainty in the…

A: here given , In a random sample of 100 parts ordered from vendor A, 12 were defective. In a random…

Q: basketball player makes each free-throw with a probability of 0.4 and is on the line for a…

A:

Q: Continuous Distributions - Data Management The life span of a particular species of turtle is…

A: Let X be the life span of a particular species of turtle is normally distributed with a mean of 90…

Q: If a random variable X is defined such that: E(X + 4) = 10 and E[(X + 4)²] = 114. Then the values of…

A:

Q: In a health examination survey of a prefecture in Japan, the population was found to have an average…

A:

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A:

Q: 12 Data Management - Continuous Distributions What does the area under the normal curve represent?…

A: From the given information we find the solution.

Q: II. Use the following frequency distribution to answer item numbers 15 to 18. f 10.5 8.7 7.9 7.1 7.8…

A: Frequency is the number of times an observation occurred. Larger number of observations can be…

Q: Data Frequency 40 - 44 45- 49 4. 50 54 55 59 12 60 64 16 65 69 11 70-74 75 - 79 1 80 84 mode median…

A:

Q: - Let X1,.. Xn is a random sample from Binomial(p1) and Y,.., Ym is another independent random…

A:

Q: Show that if Y = ax + b (a = 0), then Corr(X, Y) = +1 or -1. We know Cov(X, Y) = Cov x, ])--)-I + b…

A: We need to show that, If Y=aX+b then Corr(X,Y)= +1 or -1

Q: Question * In a technology company, it is known that the average of network failure is 1 per week.…

A: poisson distribution is given by

Q: If three alphabets are to be chosen from A, B, C, D and E such that repetition is not allowed then…

A: In question, Given that A, B, C, D and E are 5 alphabets then three alphabet are chosen from them…

Q: For n=8 and x= 0.41, what is P(X= T)? P(X = 7)= (Round to four decimal places an needed.)

A: Let X be the random variable from binomial distribution with probability (π) = 0.41 and number of…

Q: Q5 In 2017, a labor union in City A listed the 5 categories of most importance to their members. In…

A: Claim : the distribution still holds true.

Q: Telephone calls enter a college switchboard on the average of two every three minutes. The…

A:

Q: The agent receives a reward of 100 if it hits the top of the slope and -1 otherwise. The actions…

A:

Q: In a health examination survey of a prefecture in Japan, the population was found to have an average…

A: Probabilities are calculated by using z table

Q: Question Ifa random variable X is defined such that: E(X + 4) = 10 and E[(X + 4) = 114. Then the…

A:

Q: 12. test each of the main effects individually? In a factorial treatment structure in a completely…

A: Every experimental unit has the same probability of receiving any treatment. Randomization is…

Q: The number of patients treated in a dental office on Mondays was recorded for 11 weeks. What are the…

A: Arrange the given data in ascending order5,10,13,15,16,17,18,20,28,28,28Sample size(n)=11

Q: If a typist makes errors at random at a mean rate of 3 per page, then the probability of making at…

A: Let X denote the number of errors on two pages.  It is given that Number of errors per page = 3,…

Q: Telephone calls enter a college switchboard on the average of two every three minutes. The…

A: here given , Telephone calls enter a college switchboard on the average of two every three minutes.

Q: in a tyre manufacturing company, an industrial statistician has declared that 25% of the tyre…

A: Let X be the random variable from binomial distribution with probability (p) = 25% = 0.25 and sample…

Q: If the probability of a message is p = 0.3, then the information content of the message is 1.737…

A: Given: Probability of a message p=0.3 To find: To find the information content of the message using…

Q: A. the first legitimate news articles you find is the 8th news articles you selected? B. the first…

A: here given ,  Sixty percent of news articles posted on the popular social media app FacePalm are…

Q: If a price is not marked correctly, what is the probability that the change is a reduction?.

A: Consider the events as A : a change is increasing. B : a change is reduction. E : a price is not…

Q: In the instant lottery with 30% winning tickets, if X is equal to the number of winning tickets…

A: Given : Probability,p = 0.30 number of trial,n = 8

Q: Assume that a procedure yields a binomial distribution with a trial repeated n time. Use the…

A: Given n=5 x=4 P=1/5

Q: Participants in a study of a new medication received either medication A or a placebo. Find…

A: For the given data Find P ( placebo and improvement ) =?