. Which of the following about ordinal level of measurement is NOT true? O It classifies data in non-overlapping scales. One value is not more or less than the others O It can be ranked OUsed for identification purposes

Q: A medical test is available to determine whether a patient has a certain disease. To determine the…

A: Given Information: Total number of people is 10300 Number of people who have the disease is 300…

Q: 4- If X is an exponential with parameter 1, then 2X is chi-square with 2 degrees of freedom. O True…

A:

Q: Based on their records, a hospital claims that the proportion, p, of full-term babies born weigh…

A: The provided information is  x=52 n=130 α=0.10 The sample proportion is p^=xn=52130=0.4a. The null…

Q: Test the claim about the difference between two population means μ, and μ₂ at the level of…

A:

Q: Let the probability density function of the random variable X is = {² (3) * 0 Then My(t) is f(x) = ,…

A: Given information: fx=213x, x=1,2,3,.... Formula: MXt=Eetx=∑i=1∞etxfx

Q: The data show the number of viewers for television stars with certain salaries. Find the regression…

A: The regression equation is  given by y' = a + bx Where, a and b are intercept and slope of…

Q: Mean value of a random sample of 60 items was found to be 145 with standard deviation of 40. Find…

A: The question is about confidence interval Given : Sample size ( n ) = 60 Sample mean ( x¯ ) = 145…

Q: During the first day of classes for the second semester, the Statistics and Probability teacher of…

A: Answer : - Given data  sample size n = 100                  Sample mean x  = 80.68,   Population…

Q: If the p. d. f of a random variable X is f(x) = 2,0 ≤ x ≤ 2, then P(X> 1.5|X > 1) is

A:

Q: - If f(x)= is the probability density function for a random variable that can take on the values x =…

A: Given information: fx=k2x, x=0,1,2,3,4 The value of k is,…

Q: A population has a mean μ = 142 and a standard deviation o=25. Find the mean and standard deviation…

A:

Q: The number of users of a certain website (in millions) from 2004 through 2011 follows. Year Period…

A: The question is about time series plot Given :

Q: The following table contains data from a study of two airlines which fly to Small Town, USA. Number…

A: On time late total podunk 33 6 39 upstake 43 5 48 total 76 11…

Q: 16. Which of the following is the percentile point of P75? O A. 27 O B. 36

A: Solution: Class Class Boundries Frequencyf cf 60 - 64 59.5 - 64.5 3 3 65 -…

Q: The range of 9, 10, 12, 13, 14, 14, 17, 17, 20 need answer ithin 3 minutes with my best wishes ton…

A: Here  Minimum =9 Maximum= 20 No  of data = 9 Range =?

Q: A political candidate has asked you to conduct a poll to determine what percentage of people support…

A: The following information has been given: The margin of error is E=0.08

Q: For a group of 50 male workers, the mean and standarddeviation of their monthly wages are Rs.630 and…

A: Given For male worker n1=50 x1=630 s1=90   For female worker n2 =40 x2=540 s2=60

Q: Consider the sample space S= {(-2, 4), (-1, 1), (0, 0), (1, 1), (2, 4)}, where each point is assumed…

A: I solve this problem using r-software. And, R-code:- x = c(-2,-1,0,1,2) y = c(4,1,0,1,4) cov(x,y)…

Q: In a particular area 984 girls against every 1000 boys. Can we say gender equality exist?

A: Number of girls=984 Number of boys=1000

Q: Determine whether the statement is true or false. If it is false, rewrite it as a true statement. As…

A: Given statement: As the size of a sample increases, the mean of the distribution of sample means…

Q: A consumer group believes that more than 30% of Filipinos owns more than 2 cellphones. They surveyed…

A: Solution Given

Q: ssume that a sample is used to estimate a population proportion p. Find the margin of error M.E.…

A: The following information has been given: The sample size is n=275. The sample proportion is…

Q: Part III. What conclusion may be drawn? [Select] W. There is sufficient evidence to reject Ho. The…

A:

Q: The probability density function for the diameter of a drilled hole in millimeters is 10 e-10(x-5)…

A: The provided probability density function is f(x)=10*e-10(x-5)  , x>5Then the property of…

Q: Situation I: one afternoon. shown below. 1. Find the mean. 2. Find the median. 3. Find the mode. 1 8…

A: Given data indicates the scores of 30 students in the 10-item pop statistics quiz.

Q: A study was done on proctored and nonproctored tests. The results are shown in the table. Assume…

A: Solution Given

Q: Construct a 95% confidence interval for H₁ - H₂. Two samples are randomly selected from each…

A: HERE from given  information  x1¯ = 25 , n1 = 50 , σ1 = 1.5 x2¯ = 23 , n1 = 60 , σ1 = 1.9 confidence…

Q: Use the frequency distribution to the right, which shows the number of voters (in millions)…

A: frequency distribution of the number of voters(in millions) according to age is:- Ages of voters…

Q: college claims that the proportion, p, of students who commute more than fifteen miles to school is…

A:

Q: A coin is tossed 576 times. Use the normal curve approximation to find the probability of obtaining…

A: (a) Obtain the probability of obtaining between 268 and 302 heads inclusive. The probability of…

Q: Given the following demand.  What is the forecast for period 6 and 15.            (a = .40  and  b =…

A: Solution: From the given information,

Q: Q4/a/ In a study to show the relationship between a person's weight (kg) and height (cm), a random…

A: Frequency distribution

Q: The accuracy of the model is _%.

A:

Q: 1. Brand A perfume claims that their fragrance lasts longer than from Brand B. To prove if the claim…

A: The provided information is  Brand A(µ1)       Brand B(µ2)n1=12        n2=15x¯1=8…

Q: The probability density function of the random variable X whose moment x+1 generating function () (1…

A: Given statement is :

Q: 3. A decision-making procedure to find out whether there is a significant difference between a claim…

A: The objective is to find the correct option from the given choices.

Q: ouseholds are randomly selected and partitioned into groups of four. For those groups, the random…

A: x p(x) x*P(x) x2P(x) 0 0.023 0 0 1 0.146 0.146 0.146 2 0.341 0.682 1.364 3 0.354 1.062 3.186…

Q: 15- Let X-G(p) with mean 5 and standard deviation 3, then (a) p == (c) p = // O Ob O C a d (b) p ==…

A:

Q: If I inform you that you have a 90% chance of passing this course if you get an 85 or higher on your…

A: The probability of passing the course as per the opinion=0.90 The probability of passing the course…

Q: 52% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults.…

A: Answer:-  Given,  52% of U.S. adults have very little confidence  in newspaper.  i.e  P = 0.52…

Q: Suppose that a stock's daily log price follows a Random Walk 1 with drift. If we observe a series of…

A: Given information: It is given that a stock’s daily log price follows a Random walk 1 with a drift.

Q: Households are randomly selected and partitioned into groups of four. For those groups, the random…

A: The given probability distribution table is

Q: The finished inside diameter of a piston ring is normally distributed with a mean of 9 centimeters…

A: a. Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: 3. Mrs. Alcancia groups the senior high students according to their grade level and strand. She…

A: To get a sample that properly represents the population from which it was selected is the goal of…

Q: If X and Y are random variables having the joint density function f(x,y)=(6-x-y), 0<x<2, 2<y<4. Then…

A:

Q: SOLVE FOR THE X OF THE FOLLOWING FUNCTION USING BISECTION METHOD a. 4x² + 3x3 = 0

A: a.The given equation is 4x2+3x-3=0Let f(x)=4x2+3x-3 x 0 1 f(x) -3 4 1st iterationHere…

Q: . Construct the scatter plot of the given table using MS Excel or manually draw a scatter plot.…

A: The objective is to construct a scatterplot for the data and identify the type of association.

Q: 11- Consider the sample space S= {(-2, 4), (−1, 1), (0, 0), (1, 1), (2, 4)}, where each point is…

A:

Q: In Normal distribution, the highest value of ordinate occurs at O Mean O Variance Same value occurs…

A: The question is about property of normal distribution

Q: Based on experience, it is assumed that 60% of the customers of EDSA Sang Hotel are foreigners.…

A: Given that  p=60%=0.60 n=80 x=60 α=0.05