1. what is the probability for less than 125 points of the customer? 2. what is the percentage of above 220 points of the customer?

Q: Show E(XY)

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Q: 3. HX-N(u =12,0-4), what is the value of k in the figure? A 12 B. 6 C 4 ID. 2

A: Given that  The X is normally distributed with  Mean (μ) = 12  ; Variance (σ2) = 4   We  know that…

Q: A certain type of storage battery last on average, 3.0 years with a standard deviation of 0.5 year.…

A:

Q: Three chess players, Garry, Anatoly and Vishy competed for fun. Two of them won and one lost.…

A: Won - Anatoly and Garry Lost - Vishy

Q: In a binomial distribution with p=0.02 and n=70, what is the actual probability of three success?…

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Q: (a) Show that the joint pdf for U, V is of the form f(z, y) = { e exp(-u- v), if (u, v) E A…

A: The Jacobian method of transformation will be used to find the joint pdf of U and V.

Q: A bag contains 4 black counters and n white counters. Two counters are taken from the bag at random…

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Q: If x-Exp(5), then M,(t) is O 1 ul (1 – 5t)-1 الخيار 2 t.

A: Given that  X~Exp(5)  Find Mx(t)

Q: Two gamblers play the following game: A fair coin is flipped; if the outcome is head, player A pays…

A: Given For Head outcomes, Player A pays Player B is 1$ For Tail outcomes, Player B pays Player A is…

Q: 2. Three light bulbs are chosen randomly from 15 bulbs of which 5 are defective. Find the…

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Q: An advertisment claims that 639% of customers are satisfied with a certain bank, What is the…

A: Given that n=490 , p=63.9%=0.639  , q=1-p=1-0.639=0.261

Q: If x-y? (5), then p(0.554 < x < 15.09) (using z? table) 0.980 0.950 0.05

A: Given that  X~χ2(5) Df=5 Find P(0.554&lt;X&lt;15.09)

Q: Instruction: Tell whether if the event is INDEPENDENT or DEPENDENT . Then solve the probability of…

A: Independent events - One event occured and it doesn't effect the probability of that other event…

Q: Question 3: A game of zumpie consists of 3 teams; 2 teams lose and 1 team wins. Fifty-one teams…

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Q: Let X and Y be jointly cantinuous random variables with joint PDF is given: $ X,Y (x.y) = (1+x*y)…

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Q: Test the claim that the mean GPA of night students is significantly different than 3.1 at the 0.2…

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Q: A new car that is a gas- and electric-powered hybrid has recently hit the market. The distance…

A: Let X be the random variable from normal distribution with mean (μ) = 65 miles and standard…

Q: Show Cov (X, Y)

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Q: From the following data: 24, 109, 16, 128, 46, 86, 57, 37 The median

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Q: A four-person committee is randomly selected from a pool of 19 Americans and 13 Canadians. What is…

A: No.of Americans = 19  No.of Canadians  = 13 Total no.of persons = 32 (i.e. 13+19) Consider that…

Q: ur he amou of weght that mais onlegedents gan during thair freshman year are nomaly derued wth amean…

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Q: You wish to test the following claim (H.) at a significance level of a = 0.02. H.:µ = 53.1 Ha:µ +…

A: Given information Hypothesized mean µ = 53.1 Sample size (n) = 52 Mean M = 47.2 Standard deviation…

Q: Your neighbor has 2 children. He picks one of them at random and comes by house; he brings a boy…

A: A number of events are said to be independent if the probability of occurrence of any one of them is…

Q: a) A random variable is continuous. For any value a, P(X =a)~0 always. b) A standard normal curve…

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Q: Insurance company records indicate that 12% of all teenage drivers have been ticketed for speeding…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Problem 3. A lottery gives you an award if you are able to choose correctly at least 5 numbers out…

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Q: Which of the following statements are true about random sampling: O four tosses of an unbiased coin…

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Q: 4. Sixty percent of the families in a certain community own their own car, thirty percent own their…

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Q: (d) What is the median checkout duration i? [solve 0.5 = F(M)). Enter a number. (e) Obtain the…

A: I solved exactly three subparts because of bartleby policy if you want more please upload…

Q: Find a constant C such that p is a probability density function on the given interval and compute…

A: To find the value of C we will use the fact that the integration of pdf f(x) over whole range of X…

Q: The number of calls received by Jun, a call center agent, has the Poisson distribution with a mean…

A: GivenMean of three per 20 minutesλ=3 per 20 minutesLet "x" be that no of calls he…

Q: In a certain high school, 20% of the students belongs to the math club, 10% belongs to the student…

A: here define events student belongs to math club = M student belongs to council = C p(M) = 0.20  p(C)…

Q: 3 males and 3 females are sitting in two parallel rows containing three people each. Find the…

A: The probability of an event is the ratio of the number of cases favorable to that event to the…

Q: Write the Sample space, outcome or event of the ff: 2. A bag contains six identical balls: two…

A: let E is the event of drawing 3 balls from the bag and S denote the sample space Hence, total…

Q: An article suggested that under some circumstances the distribution of waiting time X could be…

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

Q: At any given time, a subatomic particle can be in one of two states, and it moves randomly from one…

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Q: x-2 If x-N(2,4), then x²(1) الخيار 3 G .2

A: Given that  X~Normal(μ = 2 , ?2 = 4 ) Then  ( X - 2 ) / 2 ~

Q: If x-Exp(5), then M,(t) is O 1 suall (1 – 5t)-1 الخيار 2 (1 -

A: Given that  X~Exp(5) Find  Mx(t)

Q: identify The research hypothesis H1 The null hypothesis HO The rejection region of the null…

A: We have given that  μ1 = average of the grades of the students who were taught fractions with…

Q: Long Term Relative Frequency Number of 991 992 993 994 995 996 997 998 999 1000 Tosses Number of…

A: d) The actual number of heads given in the chart is 515

Q: x-2 If x-N(2,4), then 2 x²(1) O 3 I الخيار 3

A: Given that,  X~N(2, 4)  We have to find the distribution of  x-2/2~..........

Q: . A nationwide survey of college seniors by the University of Michigan revealed that almost 70%…

A: Given that n =12,p=0.7 a. find the p( 7&lt;=x&lt;9) =? b. find the p(x&lt;=5) =? c. find the p(…

Q: Probability of Two Events: Intersection and Union A single card is drawn at random from a deck of 52…

A: Given that  There are 52 card in the deck in which they divided into two color i.e red(26) and black…

Q: A certain type of radio tubes lasts on the average of 3 years with a standard deviation of 2.9…

A: Solution: Given information: n= 40 Sample size  μ= 3 Population mean σ= 2.9 Population standard…

Q: An organization has 15 members, 5 of whom are analysts, 3 of whom are chemists and the rest are…

A: Combination only includes number of ways of selection whereas, permutation includes number of ways…

Q: 3. The breaking strength of yarn used in manufacturing drapery material is required to be at least…

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Q: Suppose that P(A)=0.46 and P(B)=0.75. Which of the following is the probability of A complement? (a)…

A: Here use Rule of basic probability  P(A) = 0.46 P(B) = 0.75

Q: Three fair coins are tossed. find the probability that they are all heads if the first coin is head…

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Q: 3) Consider a die with 6 faces with values 1,2,3,4,5,6. In principle the probabilities to draw the…

A: Probability of drawing the faces  1 2 3 4 5 6 1/6 1/6 1/6 1/6 1/6 1/6   Expected value =…

Q: Probability Skyler has 12 marbles as shown in the diagram below. Each marble is either blue or…

A: From the provided information, Total marbles = 12 Total blue marbles = 8 Odd numbered marbles = 8…