b. Using the 0.05 level of risk, state the decision rule. (Round your answer to 3 decimal places.) Reject H, if H>

Q: Ho: p= 20 H1: H #20 X=21.5 s=5 n=25 and a=.01 The value of the Z or t-table is: 2.797 2.787 2.576…

A: State the hypotheses. That is, the population mean equals 20. That is, the population mean do not…

Q: s² Evaluate F= for s₁ = 5.93 and $2 = 5.49. 2 NN F= (Round to two decimal places as needed.) ...

A: Given, S1 = 5.93 and S2 = 5.49 And will calculate below.

Q: A medical researcher obtains a sample of adults suffering from diabetes She randomly assigns 93…

A: We do studies to gather information and draw conclusions. The type of conclusion we draw depends on…

Q: The accompanying data are the number of wins and the earned run averages (mean number of earned runs…

A: Answer Given,x = 20, 18, 17, 16, 14, 12, 11, 9y = 2.67, 3.28, 2.56, 3.78, 3.78, 4.35, 3.86, 5.01

Q: wo new drugs are being compared for effectiveness in lowering total cholesterol levels. On the…

A: We have given that  Sample size n1=15 ,n2=10 Sample mean M1= 75 , M2=78

Q: A researcher claims that at least 10% of all foot to the wearer. A sample of 200 helmets revealed…

A: Given p=10%, n=200, x=16, level of significance ɑ=0.01

Q: What is the value of P(z < -1.33)? Notes: 1. Write your answer using four decimal places (i.e.…

A: Given : Z be a standard normal variable Z~N(0,1)

Q: The accompanying data are the number of wins and the earned run averages (mean number of earned runs…

A: Given information- We have given data for the number of wins and the earned run averages. I am using…

Q: Data was collected for a sample of organic snacks. The amount of sugar (in mg) in each snack is…

A:

Q: Compute the indicated quantity. P(A | B) = 0.1, P(B) = 0.6. Find P(A n B). P(A n B) =

A:

Q: Do students perform the same when they take an exam alone as when they take an exam in a classroom…

A: Excel: Data --&gt; Data analysis --&gt;t-Test: Paired Two Sample for Means

Q: The average house has 13 paintings on its walls. Is the mean larger for houses owned by teachers?…

A: Given Data : Calculating mean and standard deviation for the sample Standard Deviation, s: 1.598…

Q: A study collects samples of water from the tap in Vacaville and from bottled water available from…

A: The observed pH value is 6.32.The mean pH of Tap water is calculated as follows:

Q: The 20th percentile of weigh is the number of inhabitants ΟΟΟ O200 inhabitants. 320 inhabitants.…

A: Given: number of inhabitance (n)=160020th percentile = 80 kg

Q: what must be the decision when the value of G calculated > G tabulated! A. Either discarded or…

A:

Q: Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal…

A: Given data : sample size, n = 28 sample mean, x̄ = 372.76 sample standard…

Q: Which of the following is an example of discrete variable? Oa. Number of customers visited in a…

A: Discrete variable may be defined as the variable which can be countable.

Q: tate true ( ) or false (*). a) V10 = 10 b) V5= 53 !3!

A:

Q: Compute the indicated quantity. P(A | B) = 0.3, P(B) = 0.6. Find P(A N B). %3D P(A N B) = %3D

A:

Q: The Flesch Reading Ease Test is a test that ranks the reading level of passages. But WB for the…

A: Given formula for the score F of fetch test is F=206.835-1.015WS-84.6LW                 (i) Where…

Q: To iuruior uxplain the topic on Point and Interval Estimation, you may click/visit these links:…

A: As per bartleby guidelines only 1 question and 3 subparts per question can be answered, please…

Q: 4. A and B are independent

A: Value is  =0 .32

Q: 11 12 •B 13 12 11 7- 19 Which point represents (3, 31/4) Select one: O A O B O F O E ire

A: Explanation of the answer is as follows

Q: Compute the indicated quantity.  P(A)= .3, P(B)= .4. A and B are independent. Find P(A n B)

A: From the provided information, P (A) = 0.3 and P (B) = 0.4 The events A and B are independent.

Q: X-X bar this is the difference between what happened and what you expected to happen. This…

A: X-X bar this is the difference between what happened and what you expected to happen. This…

Q: Cole biked at 5 mph for 1- hours. Which of the following choices show how far he biked? 2 0000 5.5…

A: Cole biked at 5 mph for  hours. To determine the distance traveled by the bike.

Q: Classify the variable as qualitative or quantitative. the temperatures of cups of coffee served at a…

A: Quantitative : measures of values or counts and are expressed as numbers Qualitative : measures of…

Q: 1. Calculate the mean (plug it in each row) 2. Calculate the deviation for each score 3. Sum the…

A:

Q: Lecture(12.8): A researcher thinks that people have become more anxious when they hear about…

A: Given that, a researcher thinks that people have become more anxious when they hear about violent…

Q: J The time to foilure of a machine hes on osponentil distrikution with meon Soo. Find E(x\x300),…

A:

Q: If the data collected resulted Sy = 13.9375, Sx = 144.875, and Syy = 1.4588. Which of the followings…

A: We know that,Correlation coefficient is given byr=SxySxxSyy

Q: Is the magnitude of an earthquake related to the depth below the surface at which the quake occurs?…

A: Solution: x y x2 y2 xy 3.2 5.2 10.24 27.04 16.64 4 10.3 16 106.09 41.2 3.3 11.2 10.89…

Q: A medical trial is conducted to test whether or not a certain drug can treat a certain allergy. Upon…

A: t-value =1.311

Q: b. Water that is initially contaminated with a concentration of 9 milligrams of pollutant per liter…

A: Given pollutant per liter of water t hours after the purification process begins is C(t)=934t/2

Q: H0: 0.63  Ha:<0.63 a= 0.05 p-hat= 0.592 n= 250 whats the Z-score? whats the P-value?

A:

Q: It is thought that basketball teams that make too many fouls in a game tend to lose the game even ir…

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three…

Q: DIRECTIONS: Round all answers to the nearest thousandth. Two new drugs are being compared for…

A: We want to find the test statistic

Q: H0: P=0.18 Ha: p=/ 0.18 a= 0.10 p-hat= 0.23 n=200 z- score = 1.84 whats the…

A: Answer - Given, H0: P=0.18                           Ha: p  ≠0.18,  a= 0.10 P^= 0.23 ,   n=200,…

Q: DIRECTIONS: Round all answers to the nearest thousandth. Two new drugs are being compared for…

A: Given : For Sample 1 x̄1 = 75.0 s1 = √SS2/(n2-1) =12.0268 n1 = 15 For…

Q: In a study to investigate the extent to which individuals are aware of industrial odors in a certain…

A:

Q: If half of Allen's test score plus 8 equals 50. What did Allen score on his test? Let s, represent…

A: Here we use the concept of linear equation in one variable. After solving the equation, we get the…

Q: Find the P-value = 2 x P (X > 1.58 ), df= v = 18. Use MS Excel. Express your answer to six decimal…

A: