Find the indicated probability. A survey resulted in the sample data in the given table. If one of the survey respondents is randomly selected, find the probability of getting someone who lives in a house.   Type of accommodation Number House 572 Flat 446 Apartment 473 Other 629

Q: Find the 2525 -th percentile for the standard normal random variable ZZ

A: For aa standard normal variable, mean is 0 and standard deviation is 1.

Q: viation 19. truct a 95% confidence interval to estimate how much the drug will lower a typical…

A: Given Xbar=46 Sample size=22 Standard deviation=19

Q: A coin is tossed 10 times. What is the probability of getting all heads? Express your answer as a…

A:

Q: Suppose a professor is interested in seeing whether or not they hold their student's attention…

A: The observed number of times, the sampled individual students were seen checking their phones is: 2,…

Q: Volunteer Swim time with placebo (mins, 1km) Swim time with coffee (mins, 1km) Volunteer Swim time…

A: Confidence interval is an interval such that the probability of the unknown parameter to be included…

Q: r a confidence level of 95% with a sample size of 30, find the critical t value

A: given data, CI=0.95α=1-0.95=0.05n=30df=n-1=30-1=29ctitical t- value =?

Q: Thank you for your help! What does the expoenental - ( example: x¯) represent/mean?

A: Given: The average student spends about 17 hours each week preparing for classes. The standard…

Q: An analyst takes a random sample of 25 firms in the telecommunications industry and constructs a…

A:

Q: ►SHOW ANSWER 8.6 SP According to the General Social Survey, the average age when a person's first…

A: Given that  We have to conduct hypothesis testing for Are working-class people in urban areas…

Q: Construct a 90​% confidence interval of the population proportion using the given information.…

A: x=240  n=300  p= 240/300 = 0.8 q = 1-p = 1-0.8 = 0.2

Q: Use The t Distribution Table to find the  t/α2  value for a  95%  confidence interval for the mean…

A: We have given that Confidence level (c) = 95% = 0.95 Significance level (α) = 1 - 0.95 = 0.05 Sample…

Q: 20 crossroads were watched for weeks, 10 roundabouts and 10 plain intersections with 4 way stop…

A: Given information:   Roundabouts Plain intersections  Total Fender benders = No 3 7 10 Fender…

Q: (a) Construct a relative frequency distribution. Speed (km/hr) Relative Frequency 10-13.9 14-17.9…

A: Relative Frequency distribution is given by =class frequencytotal frequency

Q: n a random sample of 100 audited estate tax​ returns, it was determined that the mean amount of…

A: Given data,n=100x¯=3468s=2571CI=0.90α=1-0.90=0.10df=n-1=100-1=99

Q: a) Calculate the margin of error for the proportion of all U.S. adults who think things are on the…

A: It is given that  Proportion for wrong track, p = 75% = 0.75 Sample size, n = 1997 Confidence level…

Q: Suppose that the lifetimes of tires of a certain brand are normally distributed with a mean of…

A: Given,mean(μ)=74500

Q: The weight of a random scone sold by your favorite bakery has a mean of 105g and a standard…

A: given data  μ= 105σ = 5 n=45

Q: A city bus runs every 15 minutes on a certain route. Let XX  be the waiting time of a passenger…

A: Given that : A city bus runs every 15 minutes on a certain route. Let X  be the waiting time of a…

Q: In a recent poll, 490 people were asked if they liked dogs, and 5% said they did. Find the margin of…

A: given data n = 490p^ = 0.0590% ci, E = ?

Q: The​ quality-control manager at a compact fluorescent light bulb​ (CFL) factory needs to determine…

A: Given that                           We have to find a... Devlope Hypothesis b..Test statistic…

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A: given data μ = 124000σ = 43000n = 54

Q: E experience has shown that the weight of avocados by an orchard in Hoedspruit is normally…

A: Given information, μ=160σ=45n=120

Q: The commute times for the workers in a city are normally distributed with an unknown population mean…

A:

Q: Find the first, second, and third quartiles of the ages of 9 middle-management employees of a…

A:

Q: A hospital has a main campus and three satellite locations. Management wants to reduce waiting time…

A: Solution: Given information: k= 4 groups  each group has 11 observation  n= 4*11= 44 total…

Q: For each of the following, answer whether the distribution of X is necessarily normally distributed…

A: It is given that the statement about to the distribution of X̄.

Q: Construct a  90%  confidence interval for the population mean,  μ . Assume the population has a…

A: given data  90% ci for μ. n = 15 x¯ = 2.81s = 0.63

Q: Name of sport Netball Rugby Hockey Cricket Total: Tally HIIII (A) III HH-III Identify the modal…

A: Given data: Name of sport Tally Frequency Netball 9 Rugby 10 Hockey 3 Cricket 8…

Q: The following distribution shows the annual average cost of a given commodity (100 pound bag of…

A: For calculating 4-year simple moving average, we add first 4 commodity price and divide it by 4 and…

Q: A town believes the depth of a nearby river is 12 feet.  The table below is of depth samples taken…

A: Solution: Given information: n= 9 sample size μ= 12 Population mean x=∑xn=107.49=11.9333 Sample mean…

Q: A national survey asked people, "How often do you eat out for dinner, instead of at home?" The…

A: Given that, The frequency for each response is given as: Response Frequency Never 361 Rarely…

Q: A population of values has a normal distribution with μ=100.1μ=100.1 and σ=62.8σ=62.8. You intend to…

A: given data μ= 100.1σ = 62.8normal distribution n = 65

Q: The Acme Company has developed a new battery. The engineer in charge claims that the new battery…

A:

Q: An airline knows from experience that the distribution of the number of suitcases that get lost each…

A: given data  normal distribution μ = 11.4σ= 3.4P(x<15) = ?

Q: Direction: Perform hypothesis testing. Show all the steps and solutions. Note: Excel / Stat…

A: The data shows the length of time mothers spend in social media daily.

Q: Question 17 When testing for independence in a contingency table with 2 rows and 2 columns, there…

A: 2 raws and 2 columnstesting for independence in a contingency table. degrees of freedom = ?

Q: 3. A financial advisor needs to meet her quota of 30 clients in a year. To do that, she sought help…

A: 3 :  She needs to meet her quota of 30 clients :  She ask her friends to as their friends to be…

Q: Vitamin D, whether ingested as a dietary supplement or produced naturally when sunlight falls upon…

A: Solution: Given information: n= 2800 Sample size  p^=0.22 Sample proportion

Q: A study of 420,081 cell phone users found that 0.0324% of them developed cancer of the brain or…

A: From the provided information, Sample size (n) = 420081 Sample proportion (p̂) = 0.000324 Confidence…

Q: State standards mandate that 90% of municipal officers responding to emergency calls will reach…

A: Followings are the Explanation of the question In that problem we use the one sample Z proportion…

Q: Perform hypothesis testing. Show all the steps and solutions. Note: Excel / Stat computation…

A: Given claim: Weekly food purchase for the two cities Manila and Makati cities are different. Null…

Q: A box contains 75 red marbles, 37 white marbles, and 19 blue marbles. If a marble is randomly…

A: Given that 75 red marbles, 37 white marbles and 19 blue marbles. Total marbles=75+37+19=131

Q: Assume the average price for a movie is $10.05. Assume the population standard deviation is $0.42…

A: As per our guidelines we are suppose to answer only one question. Given,sample size(n)=34population…

Q: K The data to the right represent the number of customers waiting for a table at 6:00 P.M. for 40…

A: As per our guidelines I can solve only first three subparts. Kindly post the remaining subparts…

Q: If we find a 95% confidence interval using a sample, then we can say... 95% of individuals will fall…

A: According to the given information in this question We need to identify the correct option

Q: Question 19 It has been found that one out of every who visit a people four retail website make a…

A: given data  P(purchase worth R500 or more) = 14 P(not buy less than R500) = 1 - 14 = 34 sample size…

Q: Mean (mm) Corn diet (group 1) 2.05 Cotton diet (group 2) 1.54 Variance (mm²) 0.00558 0.0812 Sample…

A: Formula Used: If Larger standard deviationSmaller standard deviation > 2 ,then we shall  T-test…

Q: Refer to the accompanying data display that results from a sample of airport data speeds in Mbps.…

A: Given  CI =(13.046,22.15)

Q: You are conducting a study to see if the proportion of men over 50 who regularly have their prostate…

A: given data claim : p<0.42left tailed test test statistic Z = -2.91we have to find p value.

Q: Vitamin D, whether ingested as a dietary supplement or produced naturally when sunlight falls upon…

A: Given that, n= 2700 and p = 23% = 0.23