4. Sixty percent of the families in a certain community own their own car, thirty percent own their own home, and twenty percent own both their own car and their own home. If a family is randomly chosen, what is the probability that this family owns a car or a house but not both?

Q: A sample of n = 9 scores has a mean of M = 20. One of the scores is changed and the new mean is…

A: The formula of the mean : Mean= sum of observationsnumber of observationssum of observations = meanM…

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A: We must read the web diagram for sources of energy to solve this problem

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A:

Q: Find the critical z* for a level 52 % confidence interval.

A: 52% confidence interval Alpha= 0.52  1- alpha = 1- 0.52 = 0.48   For right tail :  x= Alpha/2  For…

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A: Part (c) Event A is "the card is the king of hearts" Event B is "the card is the queen of diamonds"…

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A:

Q: SOLVE STEP BY STEP DON'T USE CHATGPT 3. Calculate the volume inside the cylinder x^2 + y^2 =4 that…

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A: Solution:- the Cholesky decomposition is roughly twice as efficient as the LU decomposition for…

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Q: 1. Let Y,...,Y, be a random sample from a normal distribution with mean u and variance 4. (a) Give…

A: Given: Yi~Nμ, σ2=4            i = 1, 2, 3, ............................n H0: μ≤10H1: μ>10 Reject…

Q: A population of N = 8 scores has a mean of µ = 16 After one score is removed from the population,…

A: It is given that the mean is 16 and population size N is 8.

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Q: **32. Suppose A is an m x n matrix and x e R" satisfies (ATA)x = 0. Prove that Ax = 0. (Hint: What…

A: Here we use property of modular and dot product.

Q: 11. A sample of n = 6 scores has a mean of M = 13. If one person with a score of X = 3 is removed…

A: Given data: A sample of n = 6 scores has a mean of M = 13. If one person with a score of X = 3 is…

Q: 3. Find the mean, median, and mode for the following sample of scores: 3, 6, 7, 3, 9, 8, 3, 7, 5…

A:

Q: 1. Consider the matrix 1 1 3 1 2 -1 0 1 -1 A = 2 1 -2 1 6 -3 1 4 1 3 (a) Find the row space, R(A),…

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Q: 8 [(x - 5 -9 (x - 5|x) dx

A: use the value of the absolute function.

Q: Please solve this problem for me. THANKS

A: From the given information:Let a>b>0, It is needed to prove that gcd(a,b) = gcd(b,r) where r…

Q: Question 2: A box contains 6 green balls and 8 red balls. Five balls are selected at random from the…

A: 2. There are 6 green and 8 red balls. That means total 6+8 = 14 balls. The number of ways 5 balls…

Q: Exercise 6.2 Consider an experiment with four possible outcomes, and suppose that the quoted odds…

A: The probability is, pi=11+OiWhere, Oi is the odds correspnding to i. So, the sum of pi is 1 this is…

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A: To determine the percentage of any number ,it needs to be divided by .Therefore, .So,

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A: We need to check whether the given statements are true or false by providing an example.

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Q: The Set M, of all 2x2 matrices of the fom. where d's ß' fd EB denote the Conjugate of the Complex…

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Q: A sample of n = 7 scores has a mean of M = 16. One score in the sample is changed from X = 6 to X =…

A: Sample Mean(M1)=X1+X2+X3+X4+X5+X6+X77=16 Let X7=6 be the given…

Q: 3 4a5b2 1 9a4b

A: Solution:

Q: Schmidt (1994) conducted a series of experiments examining the effects of humor on memory. In one…

A: Given See the handwritten solution