What is the probability that a waitress will refuse to serve alcoholic beverages to only 2 minors if she randomly checks the id's of 6 students from among 9 student of which 4 are not at legal age?

Q: language teacher has a collectiob of 12 books. It consists of 5 Tagalog book, 4 English books, and 3…

A: NOTE-AS PER POLICY I HAVE CALCULATED FIRST QUESTION ONLY Here Given Total No of books=12 No of…

Q: Entry to a certain university is determined by a national test. The scores on this test are normally…

A: Let X:The score on the national test X~N(μ,σ2)μ=500, σ=100 the cutoff marks for the admission in the…

Q: 1. The average salary of a sales lady in malls in Cebu is P530/day. Assume a normal distribution…

A: Given,mean(μ)=530standard deviation(σ)=92

Q: Need help, please.

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Q: In a particular city, the weight of newly born babies is normally distributed with a mean of 3.5 kg…

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Q: QUESTION 6 The probability distribution of the random variable X is given in the following table.…

A: Given X            0        1         2        3       4 P(X=x)  0.13  0.29  0.25  0.18  0.15

Q: Show the area in a normal curve which is more than Z = 1.5

A: Required area is P(Z>1.5)

Q: 4.2.19. Let X₁, X2..... X be a random sample from a gamma distribution with known parameter a = 3…

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Q: a) what percentage of observed variation in depression score change can be explained by the simple…

A: From given output, the regression equation is given by Depression score change = 6.512 + 5.472 BMI…

Q: 4. A weighted die has a probability of a 6 being p where 0 < p < 1. Chris rolls the die 3 times. Let…

A: The probability of 6 coming up on the weighted die is p. The die is rolled 3 times. The random…

Q: The joker is getting ready for a card trick for Harley Quinn. A card is selected randomly from a…

A: Intersection of events: The operator ∩ denotes the intersection of sets. For example: A∩B denotes…

Q: 4. Calculate the regression coefficient and obtain the lines of regression for the following data. X…

A: Q.4) Answer: The regression line of Y on X is given by, y-y¯=byx (x-x¯) X Y X^2 Y^2 X*Y 1 9 1…

Q: The life of automobile voltage regulators has an exponential distribution with a mean life of six…

A: Given Mean=6 X=5

Q: Example 8.21 Assume that a card is randomly selected from a deck of 52 playing cards. Find the prob-…

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Q: Suppose that a sports event, called, "Palarong UPLB', which is played annually by different colleges…

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Q: Illustration 73. Using Poisson's approximation to the Binomial distribution, solve the following…

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Q: II. Find the scores that are included in the following percentiles: 1. P50 2. P90 3. P10 III. Solve.…

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Q: A simple random sample of the ages of 72 hospital nurses was withdrawn from a normal population with…

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Q: 2. Construct the CDF of X if the pdf is given by f(x) = (1 − ²) (2,6)(x).

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Q: A die is tossed 3 times. What is the probability of: a. No fives turning up? b. 1 five? c. 3 fives?

A: Given that n=3, p =1/6

Q: If the mean fill volume is 12.1 fluid ounces, determine the number of cans that need to be measured…

A: From the provided information, Mean (µ) = 12.1 fluid ounces Standard deviation (σ) = 0.5 fluid…

Q: a. The mean of this distribution is b. The standard deviation is c. The probability that wave will…

A: Given:  Let x be the time from a person arrives at the shoreline untill a crashing wave is observed…

Q: a) Suppose that random variables X₁ and X₂ have exponential distribution with expected value of and…

A: It is given that X1 ~ Exponential(1/2) And X2 follows Exponential(1/3)

Q: Determine the distribution of X for the following Let X1, X2, ..., X6 be a random sample from X(10)

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Q: Consider an experiment in which subjects were randomly given either a mug or a pen, and were told…

A: Please find the solution below. Thank you

Q: Suppose that an experimenter tossed three balanced coins. He defined X₁, to denote the number of…

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Q: Example 8.28 Two computers A and B are to be marketed. A salesman who is assigned a job of finding…

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Q: The time to failure (in days) of a starter motor in a vehicle is modeled as a Weibull distribution…

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

Q: A couple decides they will continue to have children until they have two males. What is the…

A: Given that n =4,p=0.5,k=2

Q: What percentage ) What percentage of the people do not smoke? of the people do not exercise…

A: The data is given by   Smoke Do not smoke Total Exercise regularly 4 21 25 Do not exercise…

Q: Suppose the cumulative distribution function of the random variable X is 0 x < 0 F(x) = = 0 < x < 5…

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Q: 3. Let X, Y be independent Bernoulli(1/2) random variables. Let Z be a random variable that takes…

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Q: Which of the following is/are TRUE about binomial probability distribution? I The experience…

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Q: Suppose that the random variable X represents the length of a punched part in centimeters. Let Y be…

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Q: A box contains 5 red and 10 white marbles. If 8 marbles are to be chosen at random without…

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Q: 7.) Assume that the speed of automobiles on an expressway during rush hour is normally distributed…

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Q: Suppose that for a very large shipment of integrated-circuit chips, the probability of failure for…

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Q: An article in Knee Surgery Sports Traumatology, Arthroscopy, "Effect of provider volume on resource…

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Q: estion Let X and Y be two discrete random variables with a joint probability distribution given by:…

A: let X and Y be two discrete random variables with a joint probability distribution given by:…

Q: (a) Given that the system has a type 1 defect, what is the probability that it has a type 2 defect?…

A: here as per guidelines i have calculated 3 subparts kindly repost for remaining  HERE FROM GIVEN…

Q: A simple random sample of 40 items resulted in a sample mean of 25. The population standard…

A: Givensample size(n)=40sample Mean(x)=25standard deviation(σ)=5

Q: estion Let X and Y be two discrete random variables with a joint probability distribution given by:…

A: Given that  As per guidelines  answered the first one

Q: 1. A manufacturer of scientific instruments produces thermometers that measure the freezing point of…

A: As mentioned solving only part b in the question. Kindly find the solution below. GivenThe frequency…

Q: In a particular city, the weight of newly born babies is normally distributed with a standard…

A:

Q: Question 13 Suppose we have two events, E and F, with the following characteristics: p(E)=0.35 p (F)…

A: Given that  We have two event E and F  p(E)=0.35 , p(F)=0.6 and p( E ∩ F)=0.21

Q: 4. Suppose that a sports event, called, 'Palarong UPLB', which is played annually by different…

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Q: Farmer Joon must determine whether to plant corn or wheat. If he plants corn and the weather is…

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Q: 4.) Determine the range and Standard Deviation of the set of data 4, 8, 9, 11, 13, 15

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Q: The time to failure (in days) of a starter motor in a vehicle is modeled as a Weibull distribution…

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Q: QUESTION 3 If an urn has 5 white balls and 10 red balls, what is the probability that 5 randomly…

A: Given,no.of white balls=5no.of red balls=10Total no.of balls=15