Suppose a simple random sample of size n 64 is obtained from a population with u 71 and a 16(a) Describe the sampling distribution of x(b) What is P (x 73.8)?(zs08.3)?(c) What is P(d) What is P (68.8

(a)The sampling distribution of x-bar follows normal with mean µ and the standard deviation is σ/…

Answered: Suppose a simple random sample of size…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The weights of all the turkeys sold in Fairfax County in 2020 were recorded in the data set “Fairfax Turkey Weights” found in the table with the column labeled "Weight". The weights are presented in pounds. There are 235,428 turkeys in this population. Does the mean calculated in the table with the column labeled "Sample (Weight)" come from a sampling distribution that is approximately Normal? Check all three conditions of the Central Limit Theorem using one complete sentence for each condition to answer this question.
Use a t-test to test the claim about the population mean y at the given level of significance a using the given sample statistics. Assume the population is normally distrbuted Claim: jI * 25; a = 0.01 Sample statistics: × = 25.1, s = 4.2, n= 11
Which random graph G(N, p) has (k) = 40 and variance o² of the degree distribution given by o² = 20?. Select one: O a. p= 1/2, N = 61 O b. p = 0.25, N = 161 O c. p = 2, N = 80 O d. None of the above.
Suppose X is a random variable of uniform distribution between 1 and 7. Find E(X)
Derive the sampling distribution of the first order statistic (y1) for a sample of random with n=2 using a chi square distribution with v=2 degrees of freedom. Identify the y1 distribution by name, Compute P(y1<2)
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The random variable x has a normal distribution with mean 50 and variance 9. Find the value of x, call it x0, such that: a) P(x ≤ xo) = 0.8413 b) P(x > xo) = 0.025 c) P(x > xo) = 0.95 d) P(41 ≤ x ≤ xo) = 0.8630
A simple random sample of size n = 81 is obtained from a population that is skewed right with μ = 79 and o = 27. (a) Describe the sampling distribution of x. (b) What is P (x>83.05) ? (c) What is P (x≤73)? (d) What is P (75.25
According to a recent poll, 27% of Americans get 30 minutes of exercise at least five days each week. Let's assume this is the parameter value for the population. You take a simple random sample of 25 Americans and let p(hat) equal the proportion in the sample who get 30 minutes of exercise at least five days per week. Does the sampling distribution pass the Normal condition? 1) Yes because n >= 30 2) No, because n < 30 3) Cannot be determined 4) No, because np < 10 5) Yes, because n (1-p) >= 10
Tq7
Need help with parts (B) , (C), AND (D), please. 9
Q1: Suppose the number of customers X that enter a store between the hours 9:00 a.m. and 10:00 a.m. follows a Poisson distribution with parameter 0. Suppose a random sample of the number of customers that enter the store between 9:00 a.m. and 10:00 a.m. for 10 days results in the values 9, 7, 9, 15, 10, 13, 11, 7, 2, 12 Determine the maximum likelihood estimate of 0. Show that it is an unbiased estimator. Q2: Assume that X is a discrete random variable with pmf f(x). Let X₁,...,X₁ be a random sample on X. Suppose that the space of X is finite, say, D={a₁,...,m}. An intuitive estimate of p(a) is the relative frequency of a, in the sample. We express this more formally as follows. For j=1, 2,..., m, define the statistics 1,(X) = {1 0 X₁ = a; X₁ = a; Then the intuitive estimate of p(a)) can be expressed by the sample average p(a) = -1,(X₂) Find the unbiased estimator and the variance of the estimator and its mgf.

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Suppose a simple random sample of size n 64 is obtained from a population with u 71 and a 16 (a) Describe the sampling distribution of x (b) What is P (x 73.8)? (zs08.3)? (c) What is P (d) What is P (68.8