How many numbers greater than three hundred can you make out of the numbers 4, 3 and 2 (without replacement). Select one: O 27 O 8 4

Q: According to American time use survey American sleep in average of 7.62 hours each day with a standa...

A: GivenMean(μ)=7.62standard deviation(σ)=2.35standard deviation(σx)=0.31

Q: If I reject the null hypothesis, this means that a) the null hypothesis is false b) the null hypot...

A: The decision rule for a general hypothesis test is given as follows: If p-value ≤ α, then reject the...

Q: The prices for Jordan 1 sneakers (in dollars) is shown below for 10 online retailers. Estimate the t...

A:        

Q: Tw hat are the chances Hat Hhe ronn ers from Detait and kircrest will finish Ist and Zndy reqardless...

A: Here from given information  There are total 9 runners  One from Detroit and one from rivercrest  He...

Q: An enquiry into the budgets of middle class families in a certain city gave following information : ...

A: Given, Expenses Food 35% Fuel 10% Clothing 20% Rent 15% Miscellaneous 20% Prices (2010) 1150 25...

Q: The variables x and y are connected by the equation ax + by + c = 0. Show that the correlation co-ef...

A: We are given the equation ax+by+c which can be written as below: by=-ax-cor, y=-abx-cb which is the ...

Q: According to Experian, the average credit score of and American adult is 722 and the standard deviat...

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively. Thus...

Q: Ving information regarding the price of 3 commodities numbers taking average price as base : |Commod...

A: Given: Year Unit Commodity A Commodity B Commodity C I price 10 4 2 II price 8 3 3 III pri...

Q: Problem 5 - Use the traditional method of hypothesis testing. Yorme claims that the average price of...

A: Given data is9500,29000,6000,42000,95000,15000,76000,284000,54000,121500,13000,7500,92000,28000,8500...

Q: 13. When n < 30 and the population standard deviation is not known,, what is the appropriate distrib...

A: t-test is useful for testing those samples whose size is less than 30. Because  if the size of the s...

Q: (a) The researchers assumed that the distribution of requirements for vitamin C is Normal. The EAR g...

A: Solution: (a) Mean = 60mg/d 97.72 percentile = 75 mg/d P(X &lt; A) = P(z &lt; (A - mean)/standard de...

Q: 15. In a distribution, the critical values are based on b. z с. t 'd. df a. n

A: We need to use the concept of critical values and distributions.

Q: A university dean is interested in determining the proportion of students who receive some sort of s...

A: It is given that Sample size n = 250 Number of students receiving scholarship, X = 70 The critical v...

Q: The least squares method minimizes which of the following?

A: Here GIven For LEast square method    

Q: The table below shows the probability distribution for X, where X represents the number of intercept...

A:

Q: (b) Given that M(t) = E(t-0)', show that it can also be written as: M(t) = V(t) +B*(t), where V(t) i...

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Q: If X~N(μ , 5), Find μ if P(X>12) = 0.02118

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Q: Use the empirical rule to choose the best value for the percentage of the area under the curve that ...

A: here given mean = 41.8 cm  and standard deviation = 5.3 cm  

Q: answer is incorrect. sample statistic for the parameter being estimated. answer to the nearest integ...

A: *Answer:   

Q: SHOW WORK (you can do this on a piece of paper and take a picture to insert or attached here): Say w...

A: For validating the test that if the sex ratio in the class differs from the global sex ratio signifi...

Q: If the characteristic function of a RV X is f,(@) and if Y = aX + b, then O,(@) = ibo e

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Q: Predict the price of milk in a month when the price of eggs is $1.75. Round the answer to two decima...

A: Predict the price of milk in a month when the price of eggs is $1.75. Round the answer to two decima...

Q: If {X(t)} is a WSS process with mean u and autocovariance function || for 0 <|미STo C(T) = To 022/2|1...

A:

Q: According to a recent study, more than 900 people move to Florida each day! In fact, data show that ...

A: Givenp=0.34n=219Mean(μp^)=p=0.34standard deviation(σp^)=p(1-p)nσp^=0.34(1-0.34)219≅0.0320

Q: Compute the residuals. Round your answers to three decimal places as needed. y Residual 10.334.2 10....

A: Given:   Cost X Number Y 10.3 34.2 10.6 34.2 11.8 34.9 13.7 36.4 15 37.2 17.3 37.8 ...

Q: The data available below give the amount of CO, produced in 40 nations along with the level of econo...

A: Given Information: Consider the data that shows the variables CO2 emission and economic activity (GD...

Q: Find the area to the right of z = -1.02. A 0.8849 B 0.1234 0.8461

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Q: Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She sel...

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Q: In a conference, 3 Thai, 4 Japanese, and 2 Filipinos found themselves grouped together in a workshop...

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case yo...

Q: A game is played by first paying 100 pesos. This gives the player a chance to draw 2 balls with repl...

A:

Q: The results of the simple linear regression are provided below. Based on results below, a 95% confid...

A: Here Given  Regression equation for Banks service charge(Y) and Company Sales Revenue (X) Y= -2700 +...

Q: A population of values has a normal distribution with μ=207.4 and σ=9.3. You intend to draw a random...

A: Given that,  μ=207.4, σ=9.3, n = 239 The mean of the sampling distribution of sample mean is,

Q: - The spectral density of a process {X(t)}, real or complex, is a real function of w and non negativ...

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Q: Good Quantity 2017 prices 2018 prices 2019 prices A 10 1.750 KD 2.000 KD 1.750 KD B 20 2.000 KD 2.00...

A: Price index is the ratio of cost of goods in current year and cost of goods in base year, multiplied...

Q: Based on the data from your sample, enter the indicated values in the column on the left below. Roun...

A: for the given data Find

Q: The marks of the students are normally distributed. 10% get more than 75 marks and 20% get less than...

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Q: Using the'data given below, calculate Price Index Numbers for the year 1998 by (i) Laspeyre's formul...

A: For the given data, we need to calculate the Price Index Numbers for the year 1998 by using Laspeyre...

Q: An enquiry into the budgets of middle class families in a certain city gave th following information...

A:

Q: If X-N(H , 5), Find u if P(X>12) = 0.02118 a. 1.85 b. 22.15 C. 2.03 d. 11.89

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Q: What is the value of the mean? 1 P(X=x) 0.15 0.20 0.15 0.50

A:

Q: 2) If all of the values in a set of data were doubled, what would happen to the variance?

A: We need to use the concept of variance.

Q: Let X be a random variable with the following probability distribution: -3 6 9 f(x) | 1/6 1/2 1/3 (a...

A: GivenLet X be a random variable x -3 6 9 f(x) 16 12 13  

Q: 4.3. If overdispersion is present in a generalized linear model, then the variance estimates from th...

A: Note: As per the guidelines, in case of multiple questions, answer to only first question will be pr...

Q: 4. A city official claims that the proportion of all commuters who are in favor of an expanded publ...

A: For the given data perform Z test for one proportion

Q: Average monthly temperatures or rainfall amounts do not really tell us what our weather will be like...

A: The purpose of collecting weather data has a wide spectrum of applications. The average of monthly t...

Q: Out of 100 German nationals, 60 liked music of their own language, whereas 70 French nationals out o...

A:

Q: (AB) = 30 (АВ) 3D 10 Calculate the Coefficient of Collignation. Given (aß) = 5 (а.В) %3D 5

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Q: 5. If the characteristic function of a continuous RV X with density function = S ø(@) e-ix@ dø. 2 f(...

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Q: 21. Given: n = 80, X = 76.5, s = 3.1. Which of these is the point estimate of the population mean? a...

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Q: If H1: μ1 – μ0 > 0 and α= 0.05, what should your sample size be to achieve power = 0.9 if you're onl...

A: