What is the probability that a student selected randomly either preferred Obama or is an Independent? Do not write the "%" in your answer. Round the answer to the nearest percentage. Totals Democrat Republican Independent 15 98 Preferred Obama 15 68 25 142 Preferred McCain 105 12 40 240 Totals 120 80

Q: Assume a normal distribution of mean = 35 and standard deviation of 5. Answer the following…

A: a) μ= 35 σ=5    P ( x  > 38) = 1- p (x ≤ 38)                              = 1 - p[ (x-μ)/σ  ≤…

Q: he height of the candidate for Police Officer at JayBie Town is normally distributed with a ean 165…

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A: Solution-: Given: n=8, p=0.30 (or 30%) We want find, P(purchasing two winning tickets)=?

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Q: Q6 The actual volume of seven oil cans labeled as 12 liters are as follows: 11.77, 11.90, 11.64,…

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Q: The results of a certain medical test are normally distributed with a mean of 130 and a standard…

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Q: Given the continuous random variables X and Y with joint probability density function: f(x,y) = 0Sys…

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

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Q: Take a standard deck of 52 cards (13 cards of each of the 4 suits, 4 cards of each of the 13 ranks)…

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Q: The number of bacteria in a culture is increasing according to the law of exponential growth. The…

A: Given data n=260 And given  the population after 12 hours is double the population after 1 hour

Q: Question Given the continuous random variables X and Y with joint probability density function: f(x,…

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Q: The transition probability between state ³P, F' = 5/2, m', = 1/2 to state S1, F = 5/2, mp = 1/2 in…

A: Given the transition probability between states is given by

Q: expected profit metal ball lands on 17, the player wins $175, Otherwise, the casino player? If you…

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Q: Find the numerical value of the area under the normal curve that is above z = 1.625 O 0.0521 O…

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Q: 5. Suppose (X, n2 0} is a Markov chain with state space (0, 1,2} and transition probability matrix…

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Q: If a random variable X is defined such that: E(X +4) = 10 and E[(X +4)] = 112. Then the values of u…

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Q: (1) What is the value of E(X)? (2) What is the value of Var(X)?

A: Here use basic probability  Probability = (Favorable outcome)/ (total outcomes)

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

A: Let X denote the blood sugar level readings. Given that X follows N(mean = 99, SD = 12), then  Z =…

Q: Question * Suppose X, Y are two discrete random variables with probability function given by: YX -1…

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Q: Assume that 26% of students at a university wear glasses. Suppose 300 students are randomly…

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Q: Given the following sampling distribution of one mean with a sample size 49, from a normally…

A: The sampling distribution of one mean with a sample size 49, from a normally distributed population.…

Q: Determine if the events below are mutually exclusive or not mutually exclusive. 1. Tossing a 4 or a…

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Q: 49. Out of 15 rare books, 5 of which are especially valuable, 3 are taken at random by a friend.…

A: Introduction:  Sampling with replacement:  In the sampling with replacement, each element of the…

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Q: The accompanying summary data on Ceo, particle sizes (nm) under certain experimental conditions was…

A: From the given information, Range Frequency 3.0-<3.5 6 3.5-<4.0 14 4.0-<4.5 28…

Q: Suppose X, Y are two discrete random variables with probability function given by: Y X-1 1/8 1/8 1/8…

A: Multiplication of marginal probabilities are are compared with joint pmf.

Q: e probability distribution.

A: To find Mean of the probability distribution

Q: Question * The joint distribution of the random variable X and Y is given in the following table: X…

A: Let X and Y be two discrete random variables defined over the sample space S. Then the function f(x,…

Q: 15. A box contains 8 blüé balls, 6 white balls, and 4 black balls. In how many ways can we select 4…

A: Given that blue = 8 white = 6 black = 4

Q: What is the percentage of players whose age is less than 32?

A: here given  mean = 33 year  standard deviation  =  2 year x= retirement age

Q: 16. A bag contains 4 chocolates, 7 jellybeans, and 9 gummy bears. A candy is picked from the bag.…

A: AS per guidelines i have calculated first main question plz repost for remaining with note i need…

Q: 21. A group of 10 women and 6 men must select a four-person committee. How many committees are…

A: here given there are total 10 women and 6 men group for selecting four person committee  here for…

Q: 4. Getting a red card 5. The card is a face card. 6. Drawing a numbered card. 7. The card shows a…

A: (4)   Determine the number of ways of drawing a red card.   The number of ways of drawing a red card…

Q: Question Suppose wwe are interested in the relationship between an individual's brown hair and skin…

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

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Q: What is the probability that a student selected randomly is a Democrat or a Republican? Do not write…

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Q: The joint PDF of two continuous random variables X and y is given: S(x, v) = e,x> 0, y> 0. Let U =…

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Q: Charley’s credit card APR is 28.95% compounded daily. What is her actual interest rate per year?

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Q: 2 d'y If y = 3x 4 4x + 18x find 2 dx

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Q: a multiple of 3 but not a multiple of 5. 25. A number is chosen is a multiple of 2 and a multiple of…

A: Here, S: {1, 2, 3, ……., 40} So, n(S) = 40 Multiples of 2 : M2: {2, 4, 6, 8, …………. , 40} , n(M2) = 20…

Q: a multiple of 2 and a multiple of 5. b a multiple of 2 or a multiple of 5. chosen is 40}. Find the…

A: Followings are the explanation of the question Let Sample space is S = { 1,2,3,4,5,---------40} n(S)…

Q: Question 2 Suppose that a die is rolled twice. Let X be the minimum value to appear in the two…

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Q: MD has a new type of scratch-off ticket for $15 to win one of: 13 prizes of $15 • 7 small prizes of…

A: Given that -

Q: 15. The true limits of the interval 8.4-8.6 16. The frequency in the interval 8.4-8.9 17. If a…

A: II The given information has presented in the following table as follows: SL. No. X Frequency (f)…

Q: I 2 3 If A = | 2 4 .6 verify (54)Y = 5.A". | 2 3

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Q: An observer counts 360 veh/h at a specific highway location. Assuming that the arrival of vehicles…

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Q: In a technology company, it is known that the average of network failure is 3 per week. What is the…

A: HERE GIVEN , network failure is 3 per week  λ = 3 failure per week

Q: 1%VA M >4 1:YA * Question If a random variable X is defined such that: E(X+4) = 10 and E[CX+ 4)2)=…

A: Variance V(X)= E(X2)- [E(X)]2

Q: The following table shows estimates of activity times (in weeks) for a project: Optimistic Most…

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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 mistakes in eacg 2 pages. It is given that Number of errors per page = 3,…