D6. Develop a best test for testing Ho: p=.30 vs. Ha: p=.40 whensample of size 10 from a Bernoulli distribution.youf(x) p*(1-p)¹x x=0,1take aa. Use the exact distribution. Find the critical value when alpha is equal to0.10.b. Find the power.

To test H0: p = 0.30 versus Ha: p = 0.40 with a sample size of 10 from a Bernoulli distribution, we…

Answered: . you 6. Develop a best test for…

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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Suppose X∼N(μ=2,σ=0.5)X∼N(μ=2,σ=0.5) , then the z-score of x=2.7x=2.7 is choices: 1.4 1.1 1.6 -1.3
This is a 4 part question.
6. For a left-tailed test when n = 8 and a = 0.10 the critical value is %3D a. 1.397 b. -1.397 C. 1.415 d. -1.415
Q1:B B. Let X and Y have a bivariate normal distribution with parameters u, = 3, ly = 1,0 = 16, o, = 25, %3! and p = Suppose that P(c,
D.1.2 Test the hypothesis that the average content of containers of a particular lubricant is 10 liters if the contents of a random sample of 10 containers are 10.2, 9.7, 10.1, 10.3, 10.1, 9.8, 9.9, 10.4, 10.13, and 9.8 liters. Use α 0.01 level of significance and assume that the distribution of contents is normal.
An emergency service wishes to see whether a relationship exists between the outside temperature and the number of emergency calls it receives for a 7-hour period. The data are shown. Temperature x No. of calls y 68 74 7 4 8 82 88 10 93 11 99 9 Test the significance of the correlation coefficient at alpha = 0.05 13 101 f = Step 1: State the hypotheses. Step 2: Find the critical values. Step 3. Compute the test value. Step 4. Make the decision. Step 5. Summarize the results.
TF.5 A small hotel has 5 rooms. Let X be the number of occupied rooms on any given day. The pmf p(x) of X is given in the table. x 0 1 2 3 4 5 p(x) .05 .05 .20 .25 .30 .15 Find the means E(X) and E(X2) , the variance V(X) and the standard deviation SD(X) of X.
For No. 3 and 4: Assume that a certain population has a gamma distribution with parameters a and ß. • If ß is known, find a sufficient statistic for a. • Find a sufficient statistic for (a, B)'
28 No Y Xi For the data in the table, YI = 83.8-5.2Xi; Whether the model has been estimated, answer the 1 54 5 2 47 8 following relevant questions accordingly: var (B2) =? 3 41 9. 4. 35 9. 28 11 6. 17 12 4,72 0,66 O 1,12 O 3,54 O 2,18 О
. In a trivariate distribution. o, = 3, o, = 4, o, = 5 rn = 0.4, r, = 0.6 r,, = 0.7 Determine the regression equation of X. on X, and X, if the variates are measured frem their means.
Q25. Using the Pearson correlation coefficient, a study on addiction found a positive correlation between time of cravings and time of relapse (r = .51) in a sample of 20 people with a drug addiction. Using a two-tailed test at a .05 level of significance, test whether the correlation is significantly different than 0. Follow the prompts. Step 1. State the hypotheses. A B C D Step 2. Find the critical values. df = _______ CV = +/- (do not include +/-) DO NOT USE eTEXT TABLE C.5 - CVs ARE WRONG. Use table attached to homework instead. _________ Step 4. Make a decision about the null hypothesis. a. Reject H0 b. Retain H0
6

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. you 6. Develop a best test for testing Ho: p=.30 vs. H₁: p=.40 when sample of size 10 from a Bernoulli distribution. f(x) p (1-p)¹x x=0,1 take a a. Use the exact distribution. Find the critical value when alpha is equal to 0.10. b. Find the power.