II. A grade 11 class has 65 students. The following records show the typlcal number of students who were absent on a particular online class. (decimal form: hundredths) Days(x) P(x) Monday 19 6. Tuesday 7. 8. Wednesday 10 Thursday 15 9. 12 10. Friday

Q: 1. What is the probability that no beds while be occupied at the north hospital while the south…

A: Here AS PER POLICY I HAVE CALCULATED FIRST 3 SUBPARTS    Here gives joint distribution table of X…

Q: Let X be the number of passengers that turn up for the flight. Give the PDF for X.

A: here given, An airline studied the data from their passenger records and noted that their customers…

Q: Answer the following items by calculating the probability of committing an error. Given: u = 300, x…

A: Given information:- μ=300, x¯=290σ=25, n=35

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Q: For x = 1, 2, 3 and y = 1, 2, let the joint pmf of X and Y be defined by f X,Y (x, y) = (x+y)/21…

A: The joint probability mass function of X and Y is  f(x,y)=(x+y)/21   , x=1,2,3 and y=1,2

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Q: An article suggests that substrate concentration (mg/cm3) of influent to a reactor is normally…

A: Mean(µ) = 0.30Standard deviations (σ) = 0.07X ~ N (µ, σ )= N(0.30, 0.07)

Q: Q2. Let a card be selected at random from an ordinary deck of 52 cards. Let A = [ the card is a…

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Q: Given the counting numbers from 1 to 20, list down the elements of the following: 6. X (odd number)…

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the…

Q: Write the Sample space, outcome or event of the ff: 3. Choosing a heart card in an ordinary deck of…

A: We know that a deck of card contain a total of 52 cards let E= event of getting a heart card We know…

Q: Let X and Y be jointly continuous random variables with joint PDF is given: f X,Y (x.y) (1+x²y)…

A:

Q: Show V(X)

A: The joint probability mass function of X and Y is  f(x,y)=(x+y)/21   , x=1,2,3 and y=1,2

Q: im a high school graduating class of 140 students, 45 are on the honor roll. of these, 39 are going…

A: GivenTotal no. of students in graduating class = 140No.of students on the honor roll=45No.of…

Q: What is the probability of drawing at least one ace when you draw from a standard deck 25 time?…

A: Given that ; A standard deck has  52 cards  Total Ace in a standard deck = 4  n = 25  By using…

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A: Given -           Total number of homes = 150            Door opener has 7 switches, which can be…

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A:

Q: Let Z be a standard normal random variable and calculate the following probabilities, drawing…

A: Given that.   X~N( 0 , 1 )   μ=0  , ?=1 (for standard normal distribution)    Z-score =( x - μ )/?…

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A: Given,mean(μ)=32

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A: Let population mean μ  Standard deviations σ=2.3

Q: 5. H X-N 12,0- 4), which of the following is TRUER A P(6 <X< 18) = 1 B. P(6 <X< 12) = 0.5 C P(12 <x<…

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Q: i. Find the followlng probablities. Polnts per game frequency 0. 10 4 15 12 TOTAL:47 11. P(x>1) =…

A: Given that  Frequency distribution table  Point per game Frequency  0 2 1 3 2 5 3 10 4…

Q: 3. Suppose the log-ons to прuter fet rR 1OTIOW a POisson process with an average counts per minute.…

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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: Suppose that X is normally distributed with mean 120 and standard deviation 16 A. What is the…

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Q: 4, and 6 if no digit is repeated in any number? a. b. repetitions are allowed?

A: We have to find how many two-digit numbers can be formed from the digital 2, 4 and 6 using the…

Q: cel File: data10-11.xlsx Sample 1 10 7 13 7 9 8 Sample 2 8 7 8 4 6 9 Compute the two sample means.…

A: From the given information we calculate confidence interval for two sample mean t test.

Q: Answer the following items by calculating the probability of committing an error. Given: u = 300, x…

A: Given information:- μ=300, x¯=290σ=25, n=35

Q: 3. A group of students got the following scores in a test: 6, 9, 12, 15, 18, and 21. Consider…

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Q: Of all failures of a certain type of computer hard drive, it is determined that in 15% of them only…

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Q: a) Evaluate the marginal distribution of X and Y. b) Find P(Y/X) and P(X/Y). c) Find P(Y=2/X=3).

A: NOTE : here as per guidelines i have calculated 3 subparts    here given joint distribution of x and…

Q: 2. In how many ways can the symbols V0 (a) there are no restrictions? (b) each suit must be…

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Q: In how many ways can seven gentlemen and three ladies be seated in a round table if: (a) there are…

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Q: 25. A pair of dice is rolled. What is the probability of getting a. a total of 6 or 8? b. a total of…

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Q: olve the foolowing problems involving permutations and combinations. SHOW YOUR SOLUTION. 1.) In…

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Q: is the probability that a hurricane does not occur on that day?

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Q: The publishing company's estimate of profits and losses and the respective probabilities on the…

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Q: For x = 1, 2, 3 and y = 1, 2, let the joint pmf of X and Y be defined by f X,Y (x, y) = (x+y)/21…

A: Introduction: Joint Probability mass function:  Let X and Y are the two discrete random variable.…

Q: Choosing 2 letters from the word GREEN. Write the sample space.

A: here given word "GREEN"  and sample space is set of all possible outcomes

Q: upposed that in a senior college class of 500 students it is found that 210 smokes, 258 drink…

A: Let, A be the event that randomly selected student smokes. B be the event that a randomly selected…

Q: uppose you are playing a game where you bet $5 and have a 48% chance of winning. The bet is 1:1.…

A: Given that  Suppose you are playing a game where you bet $5  Chance of winning = 48%  P(win) = 0.48…

Q: 2. A box contains ten marbles: two red, five green, and three blue. a. Consider an experiment that…

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Q: 3 The mass of packages from a particular machine are normally distributed with a mean of 200g and…

A: Given that  X~Normal(μ = 200, ?2=9) μ = 200 , ? = 3

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: 21. How many ways may 5 students be seated in a row of 5 chairs for a pictorial?

A: Ans#  How many ways may 5 students be seated in a row of 5 chairs for a pictorial ?