The following contingency table summarizes the drug test results for 422 test-takers: Positive Negative 0 164 Doesn't use drugs Uses drugs Total 247 2) The probability of a true negative: 3) The probability of an error: 4) The negative predicting value: 247 0.3886 1.000 For a randomly selected test administration, find the following probabilities. (Round the answers to 4 decimal places.) 1) The probability that the test-taker doesn't use drugs: 0.0426 X 175 X 11 Total 164 258 422

Q: Question Compute C:

A: we have to compute value of C69 = ?

Q: Use the Statistical Power applet to find the power of the two-sided test against the alternative μ =…

A: Given information: μ0=128σ=15n=72significance level, α=0.05 Under Alternative Hypothesis, μ1=134

Q: Question 1 Below is a line graph that shows the population of a village. 1100 1050 1000 950 900 850…

A: Given graph is

Q: The particular question is related to Lean Six Sigma Black Belt (MindPro) covering Experimental…

A: Given statement: The statistical significance of factor "A" can't be established because there are…

Q: The table contains the state population and the number of licensed drivers in the state (both in…

A: Given The data is as follows: State Population Licensed Drivers A 0.77 0.53 B 0.94 0.65 C…

Q: interval esum 0.53 0.79 0.10 0.87 1.35 0.58 0.96 What is the confidence interval estimate of the…

A:

Q: Calculate the statistical test value of Z

A: Given The data is as follows: H0: μ=95 vs H1:μ≠95 σ=3n=16x¯=90α=0.05

Q: For a uniform random variable U~ U(9, 10), find the probability P(U > 10): P(U>10) (Round the answer…

A: Given that X~U(9,10) Pdf of X is  f(x)=1/(10-9)=1 , 9<X<10

Q: Commute the range for baseball coaches yearly salaries. 2. Compute the mean yearly salary. 4.…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: Question 2 For a normal variable X~ N(μ=83.6, o = 13.4), find the probability P(X > 63.8) :…

A: X~N(population mean μ=83.6, standard deviations σ=13.4)

Q: According to the US Census, 33% of the population of West Virginia have a bachelor's degree or…

A: given data, n=6p( have bachlor's degree or higher)=p=0.33q=1-0.33=0.67x= no. of have bachlor's…

Q: Question 2 Find to.80 for T distribution with 12 degrees of freedom. to.80 (Round the answer to 3…

A: Given data : Degree of freedom = 12 Confidence level = 0.80 To find: The t-critical value

Q: Differentiate between kolmogorov smirnov, Cramer con mises and augmenting dickey fuller?

A: ANSWER : The Kolmogorov-Smirnov test, the Cramer-von Mises test, and the Augmented Dickey-Fuller…

Q: The data below shows the number of jobs that a sample of people had in their lifetime: 9 12 9 13 8 5…

A: Answer:- Given data in ascending order,  5, 6, 8, 9, 9, 10, 10, 12, 12, 13  Total number of data =…

Q: 56. The explained contribution of Factors A, B, C, and D was statistically significant.

A: The statement to be tested is, "The explained contribution of factors A, B, C and D was…

Q: 2. The National Center for Education Statistics reported that 47% of college students work to pay…

A: Given that Sample size=450 Sample Proportion=0.47  We have to find a..95% Confidence interval for…

Q: mpany is actually 1 gallon. You know water bottling company specifications that the standard…

A: We have given that,  Sample size (x̄) = 0.995, standard deviation (s) = 0.006 and sample size (n)=…

Q: Question 12 For the standard normal variable Z, find 20.82, the value that divides the area under…

A: We have to find the value of Z0.82

Q: Question 20 For X² ~ X 25, use technology to find the probability P(X² > 13.81): P(X² > 13.81) =…

A: Excel function to find chi-square probability is as follows :  =CHIDIST(χ2, df)  This function…

Q: Question 6 Assume that the probability that a randomly selected student is in middle school is 0.618…

A: event A : middle school studentevent B : private school studentindependent eventsP(A) = 0.618P(B) =…

Q: b) A traffic engineer conducted a study on He placed a 50km/h speed limit and tracked the speed of…

A: If a traffic engineer placed a 50km/h speed limit and tracked the speed of 100 randomly selected…

Q: For the standard normal variable Z, find the probability P(Z < 2.28): P(Z < 2.28) (Round the answer…

A: P(Z&lt;2.28)=?

Q: b) A traffic engineer conducted a study on Malaysian di He placed a 50km/h speed limit and tracked…

A: If a traffic engineer placed a 50km/h speed limit and tracked the speed of 100 randomly selected…

Q: Relative frequency 0.2- 15- 10- LO 1 Group (a) Group (d) 2 A B Y 30- 25 20 15- 10 5 5- 1 -~ -+x ê 2…

A: This question explores the types of graphs and associations between two variables presented in…

Q: A corporation that maintains a large fleet of company cars for the use of its sales staff is…

A: The sampled distance values (measured in miles) are given as: 2155, 2164, 2081, 2253, 2520, 2490,…

Q: Question 3 The following contingency table summarizes the drug test results for 406 test-takers:…

A: positive negative total doesn't use drug 4 179 183 use drug 208 15 223 total 212 194 406

Q: Chlorouorocarbons (CFCs) are used in air conditioners. However, CFCs damage the ozone layer, which…

A: From the given information, the survey of 650 vehicles was undertaken. Each vehicle is identified as…

Q: Question 26 For F~ F(13,4), use technology to find the probability P(F> 9.55): P(F> 9.55) (Round the…

A: F~F(13,4)

Q: You decide to start taking coins out of your piggy bank. Currently, your piggy bank has 46 coins, of…

A:

Q: Question 4 How many different ways are there to select a group of 4 out of 5 people for a committee…

A: given data,  select a 4 out of 5 people for a commiteewhich there are distinct rolesso here we use…

Q: (a < X <b): P(a < X < b) = (Round the answer to 2 decimal places)

A: Let X be  the continuous random variable is, P(X&lt;a) = 0.06 P(X&lt;b) = 0.82 Then,  We will find?…

Q: Let A and B be two mutually exclusive events, such that P(A) = 0.7543 and P(B) = 0.078. Find the…

A: Given data  A and B are mutually exclusive events P(A) = 0.7543 P(B) = 0.078 P(A or B) = ?

Q: In a large population, 62 % of the people have been vaccinated. If 5 people are randomly selected,…

A: X is a random variable that such that each outcome of the random variable can be classified based on…

Q: Find the 5 number summary for the data shown.

A: Sample size (n) = 12 To find the five-number summary for the given data.

Q: Let A and B be two events, such that P(A) = 0.9383, P(B) = 0.0182, and P(A and B) = 0.0081. Find the…

A: If A and B are two events in the same sample space, then following theorem holds true…

Q: According to a study, the length of pregnancy of a randomly selected female has an unknown…

A: GivenMean(μ)=271standard deviation(σ)=14.8sample size(n)=36

Q: a) Industrial wastewater discharge into rivers has an impact on the water's quality. Investigators…

A: The question is about hypo. testing Given : Randomly selected no. of water samples along upstream…

Q: e that all grade-point averages are to be standardized on a scale between 0 and 5. How many…

A: Given that  Margin of error =E =0.005 Population standard deviation =1.25

Q: Question 4 Assume that the probability of a randomly selected person getting in a car accident…

A: Here, given that probability of accident during the length of the insurance of the policy is 0.0014.…

Q: A According to the manufacturer's data, 7.5% of the items coming off the production line have a…

A: Given that n=136, p=7.5%

Q: Question 17 Find the value that divides the area under the standard normal probability density curve…

A: It is given that  P( Z &lt; a ) = 0.9

Q: A bottled water distributor wants to determine whether the mean amount of water contained in…

A: Given that Hypothesis :  Ho : μ = 1.0H1 : μ ≠ 1.0 This is a two tailed test .

Q: The particular question is related to Lean Six Sigma Black Belt (MindPro) covering Experimental…

A: Given statement: The design generator for this experiment was D=ABC.

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 269 days…

A:

Q: The relationship between variables Y (RM billion), Χ (%) and Z (million tons) can be illustrated by…

A: In the given multiple regression model, the dependent variable is Y (RM billion), and the…

Q: Question 5 Mandla measured the outcomes of throwing a cone 28 times. The results are provided in the…

A: given data  no. of sideways result  = 3 no. of upright results = 25 total no. of trials = 28…

Q: Leanne measured how many times she arrived to work late if she took UBER. The results are provided…

A: Given data is Result Frequency late 3 on-time 25

Q: An engineering school reports that 53% of its students are male (M), 31% of its students are between…

A: P(Male=M)=53%=0.53  P(A)=31%, P(A and M)=25%

Q: If you needed to obtain only a 95% confidence interval with a margin of error no larger than 1 mg,…

A: According to the given information in this question We need to find the value of n

Q: c. If a buyer's annual income increases by $1000, the model's predicted change in DOLLARS of the…

A: given data regression equation : y^ = 33.44 + 2.02xhere x = annual income (in thousands of dollars)y…