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Q: The largest root of 9.50x2+38.43x+1.8=0 is

A: We have to find the largest root of 9.50x2 + 38.43x + 1.8 = 0 using Quadratic Formula.

Q: (a) If we have a distribution of x values that is more or less mound-shaped and somewhat symmetric,…

A: it suggest that if our sample size is greater than or 30, then we can apply normal approximation to…

Q: im 2. 3. 2.

A:

Q: A thermometer is taken from a room where the temperature is 19°C to the outdoors, where the…

A: The temperature of the thermometer in the room is The temperature outside is After one minute…

Q: (1) Let (B₁) be a Brownian motion started at 0. Show that the process Xt = Bt+1 − B₁ for t≥ 0, is a…

A: Note: As per the requirement, solving question1.Let {Bt , t>0} is said to be Brownian motion…

Q: Given the following information, what adjustment would need to be made to account for the lot size…

A: Given:Lot size of subject property, in acres [S] = 0.83Lot size of comparable property, in acres [C]…

Q: Consider a rectangle where the four corners are z = 0, 1, 1+4i and 4. Find the function f(2) = u(r,…

A: Note: To be a rectangle the fourth point should be "4i" instead of "4". So, we consider the fourth…

Q: Let X and Y be two jointly continuous random variables with joint pdf: J2 r+y 0, y > 0 fxy(x,y) = 0…

A:

Q: dp(x) Let T : P2 → P4 be the linear transformation given by T(p(x)) : - 2.xp(x)+ 3P(x²). dx where…

A:

Q: A real number s that is irrational is called algebraic if it is the root of a polynomial equation…

A: We will solve both the parts of this question using only basic set theory.

Q: Using regression software, the trend component for this series is: Sales = 1322 +50.7x. The…

A: The trend-season model is:Sales = (1322+ 50.7x) * SFSeasonality factors for first, second, third and…

Q: 1. Line AB is tangent to circle O at A. If AB = 12 and OA = 5, find OB %3D B.

A: We have to find OB

Q: A nation can produce two products: tanks and autos. The table below Is the nation's production…

A: When we going to take combination of C to B The opportunity of cost of producing 100 more autos is…

Q: Listed above is a double-stem plot of the proportion of peanuts in randomly sampled bags of two…

A: Given, the stem plot. To compare the distribution of proportions of peanuts of two distribution…

Q: Exercise 7 a) If T + 0 is a nilpotent operator on V, show that there exists ve V such that Tv #0 but…

A: Given that T≠0 is a nilpotent operator on V To prove that there exists v∈V such that Tv≠0 but T2v=0…

Q: The function, f(x)=a²+c, is graphed below. (b,0) ftx) = a* + c Asymptote y- -> "hat is the range of…

A: Range :- Set of all output values

Q: b) Carefully define the null and alternative hypotheses of the Chi Square test underlying the…

A: The claim is that the ages of the company employees are related to the department that they work in.

Q: 36 70

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A: The number of chocolate chips in a bag of chocolate chip cookies is normally distributed with mean…

Q: A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a…

A: The question is about sampling distribution.Given :Population mean purchases (  ) = $32Population…

Q: Check whether u = 6i – 2j+k and v=-4i – 3j+9k parallel or not are

A:

Q: i – 1 3 Find i= 3

A: It is given that, ∑i=35-32i-1we have to find its value

Q: The entries of A are aij. Assuming that zeros don't appear. what is (a) the first pivot? (b) the…

A: A =aij  where aij≠0we reduce A in row reduced echelon form first pivot  element is a11 bacause every…

Q: 20-29 8 10 27 43 88 17.74 *** 26.20 23.62 30-39 29 26 38 22 23.18 26.72 34.24 30.86 40-49 33 32 72…

A: Answer:----.                  Date:----26/10/2021

Q: The human resource manager at a car dealership wants to know if the ages of its employees are…

A: The expected value can be calculated by dividing the product of row total and column total by grand…

Q: Find the sets of rationalizable strategies in the following game: Player 2 A B C E 0,7 2,5 7,0 5, 2…

A: As per the question we are given a game strategy in terms of a bimatrix, and we have to find the…

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.