In any given year, a factory has a 10% probability of having a serious accident. About every how many years might the factory expect to have an accident?   About every 15 years   About every 5 years   About every 10 years   About every year

Q: (1) Given the following frequency distribution for the number of inches of rain measured for a year…

A: Given that  Frequency distribution table  Class limit  Frequency = f 6 - 19 2 20 - 33 3 24…

Q: A certain test is designed to measure the satisfaction of an individual with his/her relationship.…

A: Let X be the scores on a certain test( to measure the satisfaction of an individual with his/her…

Q: A simple random sample of 30 residents from Seattle is taken to estimate the median income of all…

A: Given that A simple random sample of 30 residents from Seattle is taken to estimate the median…

Q: what is the answer to the blanks

A: Median represents the middle value of the data that divide data into two equal parts

Q: Beanie babies are toy stuffed animals that have become valuable collector’s items. Beanie World…

A: a) A pie chart for the retired or current status of the 50 Beanie babies is constructed using…

Q: Use the following information to answer the next six exercises. Sixty-five randomly selected car…

A: Given Total car sales person =65 We have to 10th percentile

Q: 2.42 (EX) Golden orb weavers 1/3: Spider silk is the strongest known material, natural or man-made,…

A:

Q: You are a researcher studying the lifespan of a certain species of bacteria. A preliminary sample of…

A:

Q: Sale Price of Homes The average sale price of new one-family houses in the United States for a…

A: Suppose a random variable X defines the sale price of new-one family house.

Q: 6.49 Let Y₁ be a binomial random variable with n, trials and probability of success given by p. Let…

A: Given   Y1~Bin(n1,p) and Y2~Bin(n2,p) Y1 and Y2 are independent.  Result:  Y1 and Y2 are…

Q: The ages (in years) of the 5 employees at a particular computer store are the following. 33, 28, 32,…

A:

Q: If a sample contains 50 data values then the most convenient number of class intervals (rounded off…

A: Since we know that Class interval In a frequency distribution is defined as Class interval: A class…

Q: What type of scale is used in a list of the order of finish in a marathon? Select one: a. Ordinal…

A: Definition   Nominal means named ( gender, colour etc.) Ordinal means ( named + ranking) As : rank…

Q: Example 1 (Restaurant Tips). The owner of a bistro called First Crush in Potsdam, New York, is…

A: Concept : Correlation measures degree of linear relationship between two variables

Q: It appears that in step two, 9.264472524 was not squared. Should it have been -9 divided by the…

A: Yes you are right there is missing step the quantity 9.264472524 must be in square root

Q: The producer of a weight-loss pill advertises that people who use the pill lose, after one week, an…

A:

Q: A professor in a university is trying to conduct a research study. His study is trying to determine…

A: Independent and Dependent Variables All features with several values are considered variables. A…

Q: Why do we calculate sums of squares to find variance?

A: The sum of squares is an important term in statistics. The variance depends on the sum of squares .…

Q: Use the following information to answer the next exercise. X ~ N(54, 8) Find the 80th percentile

A: According to the given information in this question We need to find 80th percentile

Q: ehicle spes USE SALT (a) If 5% of all vehicles travel less than 39.19 m/h and 10% travel more than…

A: Let X represents the vehicle speed.  Then it is given that, P(X<39.19)= 0.05 P(X>73.24)= 0.10…

Q: a) Let x be a random variable with distribution Fgiven by (1-e-ix Fx (x) = 0≤x≤00 otherwise Find the…

A:

Q: 1. Identify the sample selection procedure used in each of the following cases:  a) A survey…

A: Multistage sampling: A population is divided into smaller and smaller groups, and samples of…

Q: Q2: If P(A)=0.25, P(B)=0.7, P(B|A)=0.6, draw the Venn diagrams and determine the following…

A:

Q: Timber yield is approximately equal to the volume of a tree, however, this value is difficult to…

A: Solution: Given information: Response variable : Volume  Independent or predictor variables:…

Q: Let X be a random variable and c be a constant. Then Var(X+c) = Var(X), always.   True False

A: In the above expression, c is constant and X is random variable.  We know that, the variance of…

Q: Procedure: Review the summary of a published scientific study below: Patients with multiple…

A: " Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Please use the accompanying Excel data set or accompanying Text file data set when completing the…

A: (b) The objective is to find the 99.9% two-sided confidence interval on the mean speed-up.

Q: An executive's telephone log showed the lengths of 60 calls initiated during the last week of July 1…

A: For the given data We have to calculate Q1, Q3 and iqr Median = Q2 Midhinge= (Q1+Q3) /2

Q: Each prospective student who applies for acceptance at UWC is given an entrance test. A sample of…

A:

Q: s weathering time (months) categorical or quantitative variable

A: Given that  Weathering time ( months )

Q: as the linear regression equation for 50), (6, 85). (10, 110)?

A: It is given that the data of two random variables X and Y with size 6.

Q: Q2: If P(A)=0.25, P(B)=0.7, P(B|A)=0.6, draw the Venn diagrams and determine the following…

A: Given that P(A ) = 0.25,P(B )=0.7,P(B/A) =0.6 Find all the required probabilities

Q: To construct a confidence interval for the proportion we should use the t-distribution   True False

A: If we want to construct 100*(1-a)% confidence interval for proportion we use the formula, (p-za/2…

Q: Suppose x is a uniform random variable with a = 10 and b = 90. Find (P(x > 66 | x > 50).     0.25…

A: According to the given information in this question We need to find the value of P(x > 66 | x…

Q: Determine the sampling procedure to be used and explain why. Determine the population under…

A: Sampling: In any survey or a research, surveying all the units is not feasible. It may increase time…

Q: The relative frequency of motorcyclist's aged between 20 and 50 who were fatally injured in traffic…

A:

Q: Police plan to enforce speed limits by using radar traps at four different locations within the city…

A: We have given that The radar traps at each of the locations L1, L2, L3, and L4 will be operated 40%,…

Q: How do I enter the variables in SPSS?

A: Given data

Q: 2.35 Does Stress Affect Academic Performance? Students in the ACHA-NCHA survey were asked, "Within…

A: We have to answer the questions using bar diagrams.

Q: The lower quartile is: A. 47 kg B. 51 kg C. 45 kg D. 50 kg

A:

Q: If S₁ and S₂ are the standard deviations of independent random samples of sizes n₁ = 1₂ from normal…

A:

Q: le plot for the data. Choose the correct graph below. 400 500 5 OB. 3.00 2.00 1.00- 0.00- -1.00…

A: Given: The data given is as below 350 100 300 50 0 400 200 100 200 450 50…

Q: Consider the trash bag problem. Suppose that an independent laboratory has tested trash bags and has…

A: The sample size is 39, sample mean is 50.573, and population standard deviation is 1.61.

Q: Compute for the following problems stated below. Upload your computation for each problem. Express…

A: The values obtained in the analysis of sodium hydroxide  are as follows : 99.5% 99.9% 99.7% 96.9% So…

Q: Determine an appropriate number of classes and class width required to construct a grouped frequency…

A: Given that: In part (a), n=190, minimum=32 and maximum=346 In part (b), n=96, minimum=0.27 and…

Q: Why is a sample often a better way to obtain information about a population than a census? A. A…

A: Census:- In census,we collect our survey data from entire population.   Sample :- In sample ,we…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 99 and a standard…

A:

Q: Mary wanted to track the growth of various peppers in her garden, so she decided to label them. Her…

A: Given,no.of red peppers(1,2,3,4,5,6)=6no.of green peppers(1,2,3,4,5)=5no.of yellow…

Q: A journal article reports, t(92) = -1.67, p = .11, the reading scores of males (M = 31.54, SD =…

A: The following information has been provided: reading scores of males (M = 31.54, SD = 5.16, n = 29)…

Q: The following is a list of 11 measurements. - 91, 53, 72, - 78, 48, - 3, 15, - 21, 45, 4, 44…

A: