In a certain community, 28% of the houses have fireplaces and 51% have garages. Consider a randomly selected house in the community. Is the probability that it has either a fireplace or a garage equal to 28% + 51% = 79%? Explain briefly why or why not.

Q: Compute the least-squares regression line for predicting y from x given the following summary…

A: given data x¯ = 6y ¯ = 30.2sx = 2.3sy = 1.8r = 0.40we have to compute least square regression line…

Q: Find the 94th percentile, P94,  from the following data 1000 1100 1400 1500 1600 1800 1900 2000…

A: Given,sample size(n)=35the given data is already arranged in ascending order.

Q: You are managing a store at the mall and have recorded the value of the average sale for each of 22…

A: We have given that the following table…

Q: Page 2 of 5 B. Organizing and Working with Data. 1. Find the z-score for the weight of a 155-pound…

A: The mean is 170.6 and standard deviation is 5.4 pounds.

Q: Stationary Matrix Consider an example where a company initially has a 10% market share. Using an…

A: For a provided transition probability matrix P, the state vector π is considered to have attained…

Q: 2. Suppose that p(x) = 1/5, x = 1, 2, 3, 4, 5 is the pmf of X. Find (a) E(X) (b) Var(X) (c) E [(x +…

A: Data given P(X=x)=1/5 ; x=1,2,3,4,5

Q: A personnel director has hired ten new employees, whom she can assign to work in various positions.…

A: Given that A Personnel director has hired ten new employees. Number of employees hired (n) = 10…

Q: LADS, TIL gy assignments, and a final exam. The final average for the course is the weighted average…

A: The given data is Assignments Tests Labs Homework Final exam Weights 29% 9% 16% 46% grades…

Q: 2.35 For the grouped data of Table 2.29, find (a) the first quartile, (b) the second quartile…

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the…

Q: RISK (Standard deviation of portfolio return) 8 01 True 4 False I 1 10 20 30 NUMBER OF STOCKS IN…

A: Given: The data of few compamies are given we need to find certain question.

Q: following data represent the weights (in grams) of a simple random sample of a candy. 0.92 0.90 0.89…

A: The given data is; 0.92,0.90,0.89,0.93,0.92,0.86,0.93,0.87,0.81,0.90

Q: The graph illustrates a normal distribution for the prices paid for a particular model of HD…

A:

Q: A large population of college students were surveyed regarding their uses of technology. One…

A: Given: Mean μ = 3.7 Standard deviation σ = 1.3 Formula Used: Z-score = X-μσ

Q: If A and B are two events with P(A) = 2/3, P(B) = 1/5, P(A ʼn B) = 1/15 then Find P(ANB)

A:

Q: Assume that you have a sample of n, 8, with the sample mean X, 41, and a sample standard deviation…

A: Suppose μ1, μ2 are the population means of Population 1 and Population 2, respectively.

Q: Cristine is planning to finance her college education by selling programs at the volleyball games…

A:

Q: Using standard normal table, find the given probability: P(Z < 2.6)? Round answer to 5…

A: Answer: For the given data, Using standard normal table, P(Z &lt; 2.6) = ?

Q: The claim is that weights (grams) of quarters made after 1964 have a mean equal to 5.670 g as…

A: From the provided information, Sample size (n) = 37 Test statistic (t) = -2.706 Level of…

Q: 2) Earlobes attached entirely to the head or not: Partner A: Yes or No Partner B: Yes or No Attached…

A: The objective is to set up Punnett Square, which explains the possible traits for attached earlobes…

Q: The following data represent the amount of time (in minutes) a random sample of eight students took…

A:

Q: Find the variance and standard deviation of the following probability distributions. X P(X) X*P(X)…

A: Given that: X P(X) 1 14 2 18 3 18 4 12

Q: A sample is collected from the items produced by a company. The sample size is 49. The standard…

A: Answer: From the given data, Population standard deviation (σ) = 0.32 Sample size (n) = 49

Q: Scores on this year's statistics midterm were normally distributed with a mean of 77.6 and a…

A: GivenMean(μ)=77.6standard deviation(σ)=3.4

Q: A soft drink bottling company is interested in controlling its filling operation. Random samples of…

A: The formula to compute sample mean is,  sample mean =Sum of the observations  in the samplenumber of…

Q: Find the Mean, Median, and Mode for Ungrouped and Grouped Data of the given data set. 55 57 58 58…

A: Given data…

Q: The retirement age of National Football League (NFL) players is Normally distributed with a mean of…

A: Given: Mean μ = 33 Standard deviation σ = 2 Formula Used: Z-score = X-μσ

Q: McDonald's conducted research about the proportion of their egg muffin buyers who also order a cup…

A:

Q: # of Movies 0 1 2 3 4 5 Frequency 4 5 3 5 4 5 The first quartile :  The third quartile:  What…

A: The given data is a s follows: # of movies Frequency 0 4 1 5 2 3 3 5 4 4 5 5

Q: Use a stem-and-leaf plot to display the data, which represent the numbers of hours 24 nurses work…

A: here we have find out  stem and leaf plot for given data40 , 40 , 48 , 48 , 30 , 40 , 36 , 56 , 32 ,…

Q: A. The timeseries data of monthly demand is given below. Month Demand Jan-21 2000 Feb-21 2500 Mar-21…

A:

Q: a. Show tabular computations here b. Show complete solution of the sample coefficient here: (Sxy,…

A: Given that  X Y 30 28 50 25 40 25 55 23 30 30 25 32 60 21 25 35 50 26 55 25

Q: In a survey of 1500 Filipinos, 15% said they believed in horoscope. Calculate a two-sided confidence…

A: We have given that,  Sample size (n) = 1500 and sample proportion (p̂) = 0.15 Then,  We will find…

Q: Arrange the following data analysis questions according to steps. Use the letters to sort the…

A: Here given data analysis questions We have to arrange in order. There are 5 main points in data…

Q: The DENR has a new procedure to detect algal bloom in water being tested. This new procedure is…

A:

Q: Without using MGF technique, prove or disapprove that is a pivotal quantity

A:

Q: The value given below is discrete. Use the continuity correction and describe the region of the…

A: Given that  Probability of exactly 5 passengers who do not show up for a flight.

Q: Below, is the sample size, p is the population proportion and p is the sample proportion. Use the…

A:

Q: 6. A flight attendant checks the overhead compartment for open space in every 4th row. What type of…

A: It is given that the statement about to the type of sampling. Here, need to find out the correct…

Q: Battery life is an important issue for many smartphone owners. Public health studies have examined…

A: From the provided information, The data values are as follow: Primary use: Talking 35.8 22.2 24.0…

Q: tion) Men Women Total

A: Cyclic trend is regularly recurring pattern. In this type of trend given scenario happening again…

Q: 4. Katrina owns 7 pairs of shoes, 2 pairs of which are sandals. Which value refer to the population?…

A: It is given that  Number of pair of shoes = 7 Number of pair of sandals = 2

Q: The accompanying data represent the weights (in grams) of a simple random sample of 50 candies.…

A: The frequency table (as per the given data table) is constructed as follows: X (weights) f…

Q: A company has 6000 arrivals of Internet traffic over a period of 12,160 thousandths of a minute. Let…

A: Let X be the number of arrivals of internet traffic in one thousandth of one minute.

Q: Ages 15-18 19-22 23-26 27-30 31-34 35-38 Number of students 5 10 3 2 3 9 Based on the frequency…

A: Data given Age Number of students  15-18 5 19-22 10 23-26 3 27-30 2 31-34 3 35-38 9

Q: he number of students that took this c

A: The histogram is given with prealgebra exam scores and frequency in the class.

Q: 3 5 6 Estimate the weight of the baby at the age of 4 months. 8 10 12

A:

Q: 4) Which among the following experimental set-ups (a, b, c) have a lesser experimental error?…

A: Experimental error: It may be defined as the difference between observed value and true value. It is…

Q: Calculate the fitted y; for each value of x¡ used to fit the model. Then construct a graph of y;…

A: Given: Taxes Sale price 4.9176 25.9 5.0208 29.5 4.5429 27.9 4.5573 25.9 5.0597 29.9…

Q: Find the interquartile range of the following numbers: 9 10 8 12 8 7 8 4 20 12 7 9 12 9 6 11 9 8 9…

A: Introduction Researchers could gauge how segmented the original data set is by examining the range.…

Q: The following are ages in years of nine employees of a large company. 46, 22, 35, 26, 22, 53, 33,…

A: Given that  x x2 46 2116 22 484 35 1225 26 676 22 484 53 2809 33 1089 42 1764…