A manufacturer of headache medicine claims that it is 70% effective within a few minutes. That is, out of every 100 users, 70 get relief within a few minutes. A group of 12 patients are given the medicine. If the claim is true, what is the probability that eight have relief within a few minutes?

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A: Suppose that the friends sitting in a circle, and let's label them from 1 to n (n>=3) clockwise.…

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A: Here we have to identify the correct shape of Gaussian Distribution with diagonal covariance

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A: A coin is tossed 17 times i.e., .The objective is to find the number of outcomes in which exactly 11…

Q: Question 1 how many ways girls be selected for the end and three 8 boys Can from 10 boys and 5 girls…

A: Number of boys = 10Number of girls = 5

Q: Consider a random variable X with the following pdf: fx (x) 2/9 1/9- 0 + 3 6 8 a) What is P(X ≤ 5)?…

A: PDf of random variable X is:

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A: Mean=16, standard deviations=0.6

Q: How many ways can 6 dvds be arranged on a shelf?

A:

Q: Use the following information for question 3 and 4. An experiment consists of tossing a pair of dice…

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Q: Whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing…

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Q: For a standard normal distribution, determine the following probabilities. a) P(Z > 1.30) b) P(Z >…

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Q: The undergraduate grade point averages (UGPA) of students taking an admissions test in a recent year…

A: μ=3.28,σ=0.18

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Q: probability that all six numbers appear?

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Q: Students were surveyed on campus about their study habits. Some said they study in the morning,…

A: How students studyMorningBetween classEveningTotalStudy in grp49720Study in alone96722Total13151442

Q: Once an individual has been infected with a certain disease, let X represent the time (days) that…

A: Let f be a pdf ; x>=0= 0 ; x<0

Q: The diameters of a large group of gravel particles follow a normal distribution with mean diameter…

A: From the provided information,

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Q: (a) Probability (b) Probability 0.6, P(BIA) = a one is received. a one is transmitted given that one…

A: It is given that P(A) = 0.6P(B/A) = 0.9P(B/A') = 0.5

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A:

Q: A campus radio station surveyed 500 students to determine the types of music they like. The survey…

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A:

Q: Consider the random movement of a bishop on a chessboard (look up the definitions on the…

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Q: 1. A random variable X has expectation E(X) = μ and variance o². Suppose that Z = a) Compute E(Z).…

A: Given that X is a random variable with expectation  and variance .Suppose that

Q: What is the expectation of X?

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A: It is given that Small marbles = 20Large marbles = 5Total marbles = 25

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A: Given thatP(s1)=0.21P(s2)=0.17P(s3)=0.39P(s4)=0.23Suppose that t = {s2 union s4}.

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A: Suppose the joint pmf of X and Y is

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Q: Find the indicated area under the standard normal curve. To the left of z= -0.44 and to the right of…

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Q: In a recent tennis tournament, women playing singles matches used challenges on 139 calls made by…

A:

Q: Door prizes for entrants in a young inventors competition are $100, $50, $25 and $10. In how many…

A: Door prizes for entrants in a young inventors competition are $100, $50, $25 and $10.

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Q: The lifespan X (years) of a species of pig has pdf f (x) = 3x2e−x^3 , 0 < x < ∞. What is the…

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Q: A random variable X has cumulative distribution function

A: A random variable X has cumulative distribution function is,

Q: Answer: 16. If P(H) = 0.5, P(HUJ)=0.8, P(HJ) = 0.3, what is P(J)?

A: P(H) = 0.5

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Q: probability tree diagram below, the numbers represent positions where certain pro 7. 10. given the…

A:

Q: 6. Suppose that P(E)=0.61, P(F) = 0.43, and P(EF) = 0.27. Find the following:

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Q: What is the expectation of X?

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