3. Construct a probability distribution for the data and draw a histogram for the following:

Q: insurance company sells a one-year house insurance policy, which covers cost of rebuild only. For cu...

A: Given data, Calculate the expected profit/loss, μ = E(X) =?  

Q: 9.How many ways can you arrange the letter from the words BUBBLE? A. 100 B. 120 C. 140 D. 160

A: how many ways can you arrange the letter from the words BUBBLE?total number of letters=6B-3U-1L-1E-1

Q: find point estimate, standard error, test statistic, pvalue, and confidence interval

A: Given that    We have to find point estimate, standard error, test statistic, p value, Confidence i...

Q: (a) You are given the following trend equation by the method of least squares of a company selling r...

A:

Q: An enquiry into the budgets of middle class families in a certain city gave following information: E...

A: Given: Expenses Prices(2010) Prices(2011) Food 35% 1150 145 Fuel 10% 25 3 Clothing 20% 75 ...

Q: Directions. The problem given is about parameter of interest and confidence level. Assure to include...

A: Confidence interval : The chance that a parameter can fall between 2 values round the mean is painte...

Q: The values of the same 15 students in two subjects A and B are given below; the two numbers within t...

A: Solution is given:  

Q: If α/2 = 0.05, then (1-α)100% describes 95% con5dence. True or false? Explain why the correct answe...

A:

Q: If {X(t)} is a WSS process with mean µ and autocovariance function C(T) = - 1- To for 0 <\디[<To for ...

A:

Q: A pharmaceutical company wants to estimate the mean life of a particular drug under typical weather ...

A:

Q: Using the'data given below, calculate Price Index Numbers for the year 1998 by (i) Laspeyre's formul...

A: Solution is given: '

Q: From the following data, prepare a 2 x 2 table and, using Yule's coefficient, discuss whether there ...

A: Given: From the following data, prepare a 2 x 2 table and, using Yule's coefficient, discuss whether...

Q: The following data give the percentage of men working in five in the retail and trade industries. Th...

A:

Q: Let X be a random variable with the following probability distribution: -3 6 9 f(x) | 1/6 1/2 1/3 (a...

A: GivenLet X be a random variable x -3 6 9 f(x) 16 12 13  

Q: Residual Model Diagnostics Normal Plot of Residuals ICart of Residuals 20 40 15 30 10 20 10 -10 20 -...

A: Since you have asked multiple questions, we will solve the first three questions for you. If you wan...

Q: How much area is at the left of z = -2.13 under a normal curve?

A: Here use z distribution table for probability from z score 

Q: Suppose that the average age of the people living in a Barangay is 33 with a standard deviation of 4...

A:

Q: A random process {X(1)} is given by X(t) = A cos pt + B sin pt, where A and B are independent RVs su...

A:

Q: Incomplete information obtained from a partially destroyed records on cost of living analysis is giv...

A:

Q: Problem: In an examination at which 600 candidates appeared, boys outnumbered girls by 16% of all ca...

A:

Q: In a simple regression problem, r and B may have opposite signs. O must have the same sign. O must h...

A: We know that, in a simple regression problem, r = correlation coefficient B = slope

Q: If n=27, (x-bar)=46, and s=2, find the margin of error at a 98% confidence level Give your answer to...

A: Given : n = 27 x¯ = 46 s = 2 Confidence level = 98% = 0.98    

Q: Find the correlation co-efficient and the equations of regression lines for the following values of ...

A:

Q: c. the sample size was very large

A: Answer:

Q: 4.1. In a 2x2 table (say categorical X=0 or 1 and categorical response Y=0 or 1). If X and Y are ind...

A: Please note that as per our guidelines if multiple questions are posted we can answer one question o...

Q: From the following information regarding the price of 3 commodities, calculate the index numbers tak...

A: Solution is given in the picture:

Q: Suppose the exam average in a class is 72% with a standard deviation of 3. What proportion of studen...

A:

Q: An insurance company keeps a record of insurance plans sold per day for the past 150 days, as summar...

A: Solution: x =Number of Insurance plans sold per day  f= Frequency of occurance  x  (f) x2 fx fx2 ...

Q: 4.3. If overdispersion is present in a generalized linear model, then the variance estimates from th...

A: Note: As per the guidelines, in case of multiple questions, answer to only first question will be pr...

Q: 3. Use MS Excel to manipulate the raw data with various statistical techniques and communicate the i...

A: Given information: People Week number  Week ending &lt; 1 01 to 14 15 to 44 45 to 64 65 to 74 7...

Q: We reject the null hypothesis when the probability of obtaining a sample mean more extreme than the ...

A: The interpretation regarding the p-value is to be made using an appropriate explanation.

Q: Forty-five percent (45%) of shoppers at Supermarket Xtra indicate that they were dissatisfied with t...

A:

Q: 13. When n < 30 and the population standard deviation is not known,, what is the appropriate distrib...

A: t-test is useful for testing those samples whose size is less than 30. Because  if the size of the s...

Q: There are 1,000 students in a college. Out of 20,000 in the whole university, in a study 200 were fo...

A: From the provided information,

Q: LEARNING ACTIVITY Đirections: Classifyeach random variable as discrete or continuous. 1. X-number of...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any q...

Q: Give me an example of systematic sampling and simple random sample

A: Given : Systematic sampling   Simple random sample   

Q: mg and a standard deviation of 0.4 dL mg . Individuals with calcium levels in the bottom dL Calcium ...

A:

Q: . Consider the simple linear regression model. y = Bo + B1x + u Please show that

A: From the given information, y=β0+β1x+u We know that β^I,IV=Covz,y^Covz,x^ plimβ^1,IV=plimCovz,y^Covz...

Q: (b) What is the probability that the customer is not a poor risk The probability that the customer i...

A: an automobile insurance company divides customers into three categories:total customers=11102good ri...

Q: 14. When n 2 30 and the population standard deviation is known, what is the appropriate distribution...

A:

Q: If you bet on green on every spin of the wheel, you will lose more than 90% of the time in the long ...

A: Given Information: A roulette wheel has 38 pockets. Out of which 18 are red, 18 are black and 2 are ...

Q: Out of 100 German nationals, 60 liked music of their own language, whereas 70 French nationals out o...

A: Given: Number of German nationals =100 No. of German nationals like music of their own language=60 N...

Q: What to do if coefficient of determination, R2, is not close to 1 or not high enough?

A: Coefficient of Determination R2 = SSRSST=Sum of squared regressionTotal variation=∑yi^-y¯2∑yi-y¯2 wh...

Q: The average production of peanuts in Virginia is 3000 pounds per acre. A new plant food has been dev...

A: The unit of interest is the singular observation which used to study the data set. Variable of inter...

Q: Suppose that scores on a particular test are normally distributed with a mean of 140 and a standard ...

A:

Q: Lottery: In the New York State Numbers lottery, you pay $3 and can bet that the sum of the numbers t...

A: Given data,Winning amount=$4Winning probability=0.055Losing amount=$3Losing Probability=1-0.055=0.94...

Q: A coin is tossed 400 times and it turns up head 216 times. Discuss whether the coin may be unbiased ...

A:

Q: (b) What is the probability that the bill was not paid on time? Round your answer to four decimal pl...

A:

Q: A psychiatrist is interested in finding a 98% confidence interval for the tics per hour exhibited by...

A:                  

Q: (b) What is the probability than an asthma patient is less than 1 year old? The probability that an ...

A: Probability : Probability is a discipline of mathematics concerned with numerical explanations of th...