if we are at the unique point where the sum of all deviations equals zero, where are we?

Q: Mr. Guo and Mr. Lange are interested in studying TV failure rates across different brands. They…

A: Total number of TVs selected=12046 Failures of brand 1=7482 Failures of brand 2=6993 proportion of…

Q: In a random sample of males, it was found that 26 write with their left hands and 212 do not. In a…

A: Given: α=0.01 We write given information in tabular form;   Male Female Left handed  26 72…

Q: If the population standard deviation of a normal distribution is 2.8, then find the standard…

A: Answer: From the given data, Population standard deviation = 2.8 number of observations = 68

Q: A confidence interval for a population mean has length 26 a) Determine the margin of error. b) If…

A: Answer:- Given, A confidence interval for a population mean has length 26.  That is, Width of the…

Q: You want to determine how many loaves of Bread are sold per day at Schat’s Bakery. You stand outside…

A: The sample mean is 421 loaves per day and the population mean is 395 loaves per day.

Q: 3. Suppose you were testing Ho: μ-3 versus Ha: μ-2 in a Poisson distribution. f(x) =μ*e*¹/x!…

A: X~Pois(μ) Ho: μ=3, vs H1: μ=2

Q: The assets (in billions of dollars) of the four wealthiest people in a particular country are 28,…

A: { 28,26,18,14 }  Sample size (n=2)  {(28,28),(28,26),(28,18),(28,14) (26,28),(26,26),(26,18),(26,14)…

Q: 4. Find a 95% confidence interval for the difference of two means when you have independent samples,…

A: We have two independent samples. n1=64,  s12=6.1,  x¯1=7.9 n2=64, s22=10.4, x¯2=8.5 Confidence…

Q: Frequency Distribution Table of Scores in Statistics Class: CLASS LIMITS FREQUENCY RELATIVE…

A: CLASS LIMITS Frequency Relative frequency Cumulative  Frequency Class Mark Class Boundaries…

Q: 1) Find the number of ways to arrange the word PROBABILITY

A: " PROBABILITY "  letter ' B ' is repeated 2 times letter ' I ' is repeated 2 times Total no.of…

Q: What is the probability that 6 of the next 16 customers will order "extra crispy" chicken?

A: The manager of Los Pollos Hermanos, a fast-food fried chicken restaurant, wants to determine the…

Q: To determine if this was true,

A: A manufacturer of carpet wanted to reduce the number of flaws per square yard of carpet. Data…

Q: .O 20/20 √n The confidence level is 96%, the sample size is n = 900, o = 25. 10. Calculate the…

A: Here given that:

Q: An airliner carries 200 passengers and has doors with a height Heights of men are normally…

A: It is given that μ=69, σ=2.8

Q: Find the indicated area under the standard normal curve. To the left of z = -2.92 and to the right…

A: From the provided information, The area is under the standard normal curve to the left of z = -2.92…

Q: Find the mean and variance for the following binomial data of x. n = 25, p = 0.60 Round mean…

A: Answer: Using the given data, The given binomial data of X is, n = 25 and p = 0.60

Q: Find the critical value x²R corresponding to a sample size of 19 and a confidence level of 99…

A: sample size(n)=19 confidence level=99%

Q: Calculate the mean and standard deviation for the binomial distribution, n=25 , P= 0.86 Round…

A: Answer: From the given data, Sample size(n) = 25 P = 0.86 X follows binomial distribution,

Q: Suppose there are 12 blue, 8 white and 6 red balls in a bag. If one ball is randomly selected…

A: Answer: From the given data, Number of blue balls = 12 Number of white balls = 8 Number of red balls…

Q: Find the range for the given data, Mean= 14, minimum=20,median=29 and maximum 42

A: Answer: From the given data, mean = 14 minimum value = 20 median = 29 maximum value = 42

Q: A computer center has two color printers. Students arrive at a rate of one every 8 ± 2 minutes to…

A: a. The queuing rule being applied in this case is a priority queuing system, where students have a…

Q: Hi can you ansert d and e asap ty

A: The total number of male volunteers =808. The number of males, vaccine was given =328. The remaining…

Q: This Wine Stinks. Sulfur compounds cause "off-odors" in wine, so winemakers want to know the odor…

A: A) - The "other two simple conditions" refer to the assumptions of normality and independence in the…

Q: Find the area under the standard normal distribution between z= -0.88 and z = 1.04? Express your…

A: Answer: For the given data, Using Standard normal distribution (Z), We have to find the area between…

Q: Use technology to find a confidence interval for the population standard deviation o. Assume that…

A: Solution-: Given data: xi:15.2,15.1,15.9,15.5,15.6,15.1,15.8,15.0 We want to find a 98% C.I. for the…

Q: In a random sample of males, it was found that 26 write with their left hands and 212 do not. In a…

A: The CI shows the range of values in which the pop. parameter value lie with certain confidence.

Q: A laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185…

A:

Q: Step 7 An upper tail area should be found since the test statistic, z = 2.13, is positive. The area…

A: To find the area to the right of z = 2.13, we can subtract the area to the left of 2.13 from 1.…

Q: Find the mean and variance for the binomial distribution, P = 0.65, n = 12

A: Answer: From the given data, Sample size(n) = 12 p = 0.65 X follows binomial distribution (n,p)

Q: In the book Essentials of Marketing Research, William R. Dillon, Thomas J. Madden, and Neil A.…

A: Computer Assisted Ordering Below industry Average Delivery Time equal to Industry Average Above…

Q: The cost of weddings in the United States has skyrocketed in recent years. As a result, many couples…

A: From the provided information, Sample size (n) = 8 The claim is that the mean wedding cost is less…

Q: Given the data from 24 daily observations for the number of miles driven by Ronnie Roadrunner on his…

A: The question is about frequency distribution Given :   To find : Construct freq. table and…

Q: In the United States, males between the ages of 40 and 49 eat on average 103.1 g of fat every day…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: A normal distribution is informally described as a probability distribution that is "bell-shaped"…

A: It is required to identify the correct graph having the bell-shaped characteristic of the normal…

Q: A forester is studying the average basal area of a particular species of pine tree in the Pisgah…

A: The random variable X is the basal area of the pine tree It is normally distributed. The sample mean…

Q: Determine whether the following graph can represent a variable with a normal distribution Explain…

A:

Q: INI #L The EPA maximum contaminant level (MCL) for arsenic is 10 micrograms per liter. (10µg/L). You…

A: The average Arsenic level from 45 water samples was given and is 10.57 with a standard devtion of…

Q: A binomial probability experiment is conducted with the given parameters. Compute the probability of…

A: sample size(n)=20 p=0.96 x=18 x~Binomial(n=20,p=0.96) P(X=x)=nx×px×(1-p)n-x    ; x=0,1,...,n

Q: Given the table of weights below a WEIGHTS X-u (x-μ)²

A: WEIGHTS x-μ x-μ2 80   900 100 -10   110   0 120 10 100 132 22

Q: Sara is a big hip-hop music fan. Her friend Matt is a big rap music fan. They each have a huge…

A:

Q: NT #2 You wish to test if the proportion of adults in a small town who are fully vaccinated differs…

A:

Q: Test whether people with a specific genetic marker are more likely to have suffered from clinical…

A: 40% of the 40 people in a sample with the genetic marker; 12% of the 775 people in the sample…

Q: One Quantitative Variable, Single Group Variable name: Temperature nput: Raw data nput data…

A: From the summary statistics, it is clear that the min value is 27, max is 36.

Q: 3. Control Charts for X and s are maintained on the resistance in ohms of an electrical part. The…

A: Given that, Subgroup size (g)=20∑i=1gX¯i=3046.5∑i=1gsi=47.4 To find the control limits for X¯-s…

Q: For the set of data, describe the shape of the distribution…

A: 28, 14, 22, 36, 55, 39, 46, 63, 46, 35, 53, 55, 67, 42

Q: Use the following information to determine the sampling interval for the given test: NOTE: The…

A: From the given information, the confidence level is 95%, ratio of expected to tolerable misstatement…

Q: The Health Care Cost Institute tracks health care expenditures for beneficiaries under the age of 65…

A: The data for the total annual cost and employee out-of-pocket is given.

Q: The daily stock price for International Business Machines (IBM) historically has followed an…

A: Given that:

Q: Find the expected value for the following probability distribution X 0 2…

A: Answer: From the given data, The probability distribution is,   X         0      2     4     6…

Q: Question 1. The joint density function of my lunch preparation time (in minutes) on t consequent…

A: The joint probability mass function of the variables x and y is given as-     y           9 18…