Define the density function of X by f(x)=2 for x 1,2,3... and f(x)=0 otherwise. Find the moment generating function of X, and then use it to find Var(X).

Q: Determine the sample size necessary to estimate p for the following information.

A: here for 4th part  MOE  <= 0.01  confidence level = 99%

Q: Please use the accompanying Excel data set or accompanying Text file data set when completing the…

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Q: 1. How many five-digit numbers can be formed from the digits 3, 4,5,6 and 7? a. no repetition of…

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Q: We want to conduct a hypothesis test of the claim that the population mean reading speed of second…

A: We want to conduct a hypothesis test of the claim that the population mean reading speed of second…

Q: WHICH OF THE FOLLOWING ARE DISCRETE PROBABILITY DISTRIBUTION? IF IT IS NOT A DISCRETE PROBABILITY…

A: for valid discrete probability distribution  total probability always 1 and each probability must in…

Q: 3. The lower quartile is equal to O A. 2nd decile O B. 2nd quartile C. 25th percentile D. 50th…

A: The first quartile (or lower quartile), Q1, is defined as the value that has an f-value equal to…

Q: Canadian adult weights are normally distributed with the mean 170 lb with standard deviation 35 Ib.…

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Q: 13. In solving for the 70th. percentile, the lower boundary to use is

A: To determine the lower boundary in solving gor 70th percentile, the number of observations is n =…

Q: (8) From a standard deck of cards (52 cards) how many 5-card hands will contain a) Four jacks and…

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

Q: 1. Marcela and Lorenza agreed to go under one-month observation period. During the time, the fashion…

A: 1. The provided information is  Marcella takes 20 to 40 minutes to cut the basic cloth pattern. The…

Q: Define the residual method of estimating irregular components in a time series ?

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Q: 31 An instructor gives an exam with ten questions. Students are allowed to choose any 5 to answer.…

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Q: Determine the optimum preventive maintenance frequency for each of the pieces of équipment…

A: The objective is to determine the optimum preventive maintenance frequency for each of the pieces of…

Q: Problem 5 Suppose that we have designed a randomized algorithm for a problem having "Yes" or "No"…

A: The problem under study follows a Bernoulli distribution as it has only two possible outcomes "Yes"…

Q: Example 2 The following table represents no of Road accident in Bangalore city. Years: 1995 1996…

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Q: 11. Refer to the data below. What is the value of the second decile? The scores of 15 students are…

A: Arrange the given data in ascending order.72, 73, 74, 74, 77, 79, 79, 79, 80, 81, 82, 82, 83,…

Q: 4. Based on the information provided and probabilities computed in (1) to (3), which seamstress will…

A: Given that ,  Marcela and Lorenza agreed to go under one-month observation period. During the time,…

Q: (a) Suppose one of these people is selected at random. Compute the probability that the person…

A: HERE AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS  HERE USE GIVEN DATA TABLE and basic probability…

Q: A mail order company has a 7% success rate. If it mails advertisements to 636 people, find the…

A: Givenp=0.07n=636let "x" be no. of getting salesx~Binomial(n=636,p=0.07)P(X=x)=(nx)px(1-p)n-x  ;…

Q: Let X and X1, X2, ... be random variables. Then |Xn – X| 1+|X, – X| X, 4 X as n →∞ → E 0 as n → 0.

A: Solution: From the given information, X and X1, X2 …be random variables.

Q: 33 Given the z value, find the are under the normal curve for the given parameter: To the left of z…

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Q: 1 Calculate the quartile deviation and its co-efficient. Time in minutes Frequency 5-99 10 10-14.9…

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Q: We want to conduct a hypothesis test of the claim that the population mean reading speed of second…

A: Given,sample mean(x¯)=27.3standard deviation(s)=2.6population mean(μ)=27

Q: 18 How many ways can the letters of the word MATH be arranged in a row? O 24 12 O 6 O 1

A: We have given that the word MATH.

Q: What is the probability that a data value in a normal distribution is between a z-score of -1.13 and…

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

Q: What are the objectives behind the analysis of seasonal variations in a time series ?

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Q: Jse the Critical Value Method flow chart interactive to answer the following question. n conducting…

A: Given that  Population proportion p=0.4 The critical value Zc=2.33 Test statistic z =2.88

Q: What is the probability of picking a black card or a jack if prior to selection all the black cards…

A: The objective is to find the probability of picking a black card or a jack. If prior to selection…

Q: A certain university claims the probability that a student graduates in 4 years from the university…

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Q: According to previous studies, the mean distance each visitor in Greenspan National Park hikes…

A: The random variable distance follows normal distribution. We have to test whether the mean distance…

Q: Use the confidence interval to find the margin of error and the sample mean. (1.62,2.00) The margin…

A: Given,confidence interval(CI)=1.62 , 2.00Upper limit(UL)=2.00Lower limit(LL)=1.62

Q: Find and shade the area between each pair of z values. Given Curve 1. between z = -1.93 and z = 1.55…

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Q: Which of the following is not a Discrete Random Variable?    a. Rain   b. Number of Books in the…

A: Discrete Random variable: discrete random variableis variable it takes coutable number of…

Q: A bakery sells 10 types of pies: apple, cherry, blueberry, strawberry, peach, key lime, pumpkin,…

A: c) If at least 2 apple and 1 cherry pie are chosen already then 3 spots are already pre selected ,…

Q: 2. A survey found that out of 900 workers, 150 said that they were interrupted by frank phone calls.…

A: In question, We have given the number of favorable cases 150 and sample size 900 then we'll find 95%…

Q: 2.) Use the following data which represents the population of the 20 most populous cities in the…

A: For the given data construct frequency distribution

Q: c) How many possible (even non-sensical) 4-letter, lowercase English words are there?

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Q: Use the ALEKS calculator to solve the following problems. |(a) Consider a t distribution with 17…

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Q: On average, indoor cats live to 14 years old with a standard deviation of 2.8 years. Suppose that…

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Q: Design your own lottery game . Your game should have 2 ways of winning. One will give the jackpot…

A: Consider the following game of lottery: ABC corp. releases a lottery ticket as a measure of…

Q: B. Direction: From the four letters L, O, V, E, choose three without repeating any letter 15-16. If…

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Q: A digital scale is used that provides weights to the nearest gram. (a) What is the sample space for…

A: a) A digital scale is used that provides weights to the nearest gram.  Weight can't be negative. So,…

Q: 3. From the people over 21 years in a certain district, one person is to be selected at random to…

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Q: mean lifetime of 12.05 holes drilled when drilling a low-carbon steel. Assume the population…

A: We have given that,  Sample mean (x̄) = 12.05, population standard deviation (σ) = 6.56 and sample…

Q: Describe models of a time series.

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Q: In a poll of 150 randomly selected U.S. adults, 75 said they favored a new proposition. Based on…

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Q: You are conducting a study to see if the probability of catching the flu this year is significantly…

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Q: Suppose x is a random variable best described by a uniform probability that ranges from 1 to 6.…

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Q: Design What is the power of the planned studies to the right using a chi-square test for…

A: Given that

Q: How many different computer passwords are possible if each consists of 7 symbols and if the first 3…

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