Spot speed study was carried out redesign the stretch of major district road. The data collected during th estudy is given below. Speed Range kmph 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100 Frequency of vehicles Cars Two Wheelers 5 20 24 20 30 35 25 10 10 1 0 6 12 30 60 35 35 15 18 9 Others 0 4 4 5 30 30 15 10 2 0 (1) What is the design speed for redesigning existing MDR? (ii) What are upper and lowe speed limits for mixed traffic? (iii) What are the different measures to increase the spot speed of vehicles moving on the road?

Q: Using the TI-84 Plus calculator, find the area under the standard normal curve that lies between the…

A: The area that is present under the standard normal curve lying between and  must be determined.z…

Q: Based on years of experience, an economics professor knows that on the first principles of economics…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: Suppose X~ Unif(0, 1). Let Y -2 ln(X). (a) Show that the random variable Y has a gamma distribution.…

A: The random variable  follows a uniform distribution with parameter  and .

Q: True or False: Fewer than one in five games sold is an M-rated game. Please see attached picture.…

A: From the graph, the relative frequency of the groups is as follows.GroupsRelative…

Q: Use partial derivatives to obtain the formula for the best least-squares fit to the data following…

A:

Q: Directions: A certain type of bolt must fit through a 20 millimeter test hole or else it is…

A: Suppose the random variable x defines the diameter of a randomly selected bolt.The random variable…

Q: Suppose you have two samples with the following values: Sample 1: 2, 8, 6, 5, 4, 7, 5, 9, 6 Sample…

A: Sample 1:  2, 8, 6, 5, 4, 7, 5, 9, 6Sample 2:  3, 5, 4, 8, 7, 5, 5, 7, 6

Q: ou are interested in learning about the likelihood of voting in an election, using the European…

A: The regression model is used to make the inferences about the gender difference in the voting…

Q: Based on the data shown below, calculate the regression line (each value to two decimal places) y =…

A: xy534.64630.38729.62827.06925.61024.141121.881223.521321.861420.1

Q: Considering the following scenario, which method would be most appropriate when calculating the…

A: It is given that the parent population distribution is uniform.The population standard deviation, σ…

Q: Plot the gamma distribution by fixing the shape parameter *k* = 3 and setting the scale parameter =…

A: This task involves plotting the gamma distribution with a fixed shape parameter (k=3) and varying…

Q: According to a recent study annual per capita consumption of milk in the United States is 22.6…

A: The random sample of individuals from the midwestern town of Webster city, The data set for the milk…

Q: Data-driven decision making guarantees 100% accuracy in decision outcomes A) True B) False

A: Data-driven decision making guarantees 100% accuracy in decision outcomes.

Q: Question 5 You are a researcher studying the lifespan of a certain species of bacteria. A…

A: 5)Given,Sample standard deviation, s = 7 hours.Margin of error, E = 0.7Confidence level, C = 98% =…

Q: Use graphical method to solve the following LP problem. Max Z = 3X + 2Y Subject to the constraints:…

A: Given LPP is:MaxZ=3x+2ySubject to the constraints:

Q: Use the table for area under the standard normal curve to find the area under the standard normal…

A: For standard normal distribution, there is one table to find the area under the standard normal…

Q: The marketing team at an internet music site wants a better understanding of who their customers…

A: The mean of the distribution, The standard deviation of the distribution, The data set for the…

Q: A department store manager has monitored the number of complaints received per week about poor…

A: The objective of this question is to calculate the standard deviation of the number of complaints…

Q: The director of marketing at Vanguard Corporation believes that sales of the company's Bright Side…

A: The question is about regression.Given :Parameter estimate of variable " Intercept ( a ) =…

Q: Consider the data set. 2, 3, 4, 5, 7 (a) Find the range. (b) Use the defining formula to compute…

A: The objective of this question is to calculate the range, sample standard deviation, and population…

Q: A hypothesis test is to be conducted using a .05 significance level. The null hypothesis is that the…

A:

Q: a bag contains 1 blue marble, 7 red marbles, and 2 yellow marbles. The probability of drawing a blue…

A: The bag contains total 10 marbles, among which 1 marble is blue, 7 is red and 2 yellow marbles.

Q: A survey of several 9 to 11 year olds recorded the following amounts spent on a trip to the mall:…

A: Given information:The data values are as follow: 19.2621.8715.8320.5719.3124.7422.82Sample size (n)…

Q: a. What is the percentage of grades that are less than 83? b. What is the percentage of grades that…

A: It is given thatMean, μ = 77Standard deviation, σ = 6Z-S core, Z = ( X - μ )/σwhere, Z is the…

Q: The standard deviation of the scores on a skill evaluation test is 363 points with a mean of 1239…

A: Mean Standard deviation Sample size

Q: The director of a state agency believes that the average starting salary for clerical employees in…

A: As per the state agency's director's belief, the clerical employees' average starting salary is less…

Q: Suppose some computations were done on a calculator. The result displayed was 3.31E28 for one…

A: (a) 3.31E28=? In scientific notation(b)5.9E-36=?

Q: what would it be for 15 or older?

A: Given the probability distributionx1314151617P(X=x)0.280.210.180.180.15

Q: Listed below are the annual tuition amounts of the 10 most expensive colleges in a country for a…

A: The "Top 10" list of annual tuition amounts for the most expensive colleges in a country provides…

Q: Let X1, . . . , Xn ∼ iid Unif(θ1, θ2), where both θ1 and θ2 are unknown. Find the MOM estimator and…

A: denote iid random variables.They are uniformly distributed.Both  and  are unknown.

Q: Let X1, . . . , Xn be iid random variables with the shifted exponential distribution f(x | θ) =…

A: denote iid random variables.The variables have shifted exponential distribution.

Q: Economics One of the most direct and intuitive tests of the random walk and martingale hypotheses…

A: Checking same series's serial correlation and correlation between  observations at different dates…

Q: Develop an estimated simple linear regression model that can be used to predict the alumni giving…

A: The dependent variable (y) is alumini giving rate The independent variable (x) is graduation rate

Q: In determining automobile mileage ratings, it was found that the mpg in the city for a certain model…

A: It is required to find the distribution of the mean for the sample, the probability that the mean is…

Q: Based on the description, which statistical technique should be used? A survey is conducted to…

A: The objective of the question is to identify the appropriate statistical technique to estimate the…

Q: The prevalence of glaucoma in elderly people among high-risk populations within a city is…

A: Let X be the number of glaucoma units.Given that the prevalence of glaucoma in elderly people among…

Q: As a data collection specialist at the Centers for Disease Control and Prevention. you have been…

A: The given data is as follows:The liver cancer rates per 100,000 males among cigarette smokers versus…

Q: The lengths of a professor's classes has a continuous uniform distribution between 49.29 min and…

A:

Q: A 2015 study conducted by the National Center for Health Statistics found that 51​% of U.S.…

A: From the provided information,51​% of U.S. households had no landline service, that is probability…

Q: When obtaining a confidence interval for a population mean in the case of a finite population of…

A: The objective of this question is to calculate the 95% confidence interval for the mean of 200…

Q: A retail store is considering adding a new product line to its inventory. The store wants to know…

A: The objective of the question is to identify the appropriate statistical technique to analyze the…

Q: 6. Attributions (explanations) for human behavior are known to vary across cultures. Researchers…

A: Given that,No. of groupsAssume the level of significance Sample sizes

Q: Consider the Markov chain (Xn)nzo with state space S = {0, 1, 2} and transition probability matrix 5…

A: Given the transition probability matrix of the Markov chain  with state space

Q: help me please!!!

A: The objective of the question is to apply Chebyshev's theorem to determine the proportion of…

Q: Construct the rejection region for the following claim about population mean, and find the…

A: The provided claim is that: μ=4.6.The considered significance level, α=0.04.The objective is to…

Q: A quality control expert at Glotech computers wants to test their new monitors. The production…

A: Suppose the random variable x defines the life span of the new monitors.It is given that; x follows…

Q: The value that has 20% of the population above it is X S

A: Given that,A Normal population has the parameters:Above area To find the value of x.

Q: Let (Xn)nzo be a Markov chain with state space S = {A, B, C} and transition matrix P given by |||…

A:

Q: Use the table for area under the standard normal curve to find the area under the standard normal…

A: Let Z be the random variable that follows a standard normal distribution..Z~N(0,1)confidence…