Statistics question and answers for November 13, 2023
- Q 35 lb The water taxi has a stated capacity of 25 passengers and the water taxi was rated for a load limit of 3750 lb Complete parts a through d...
- Q 12 Suppose a simple random sample of size 36 is selected from a population of size 1 044 with mean 8 and standard deviation 1 If the sampling distribution of...
- Q op 0 11 The sampling distribution of p is given below Find p 0 P P 0 2 Answer 1 3 0 6 2 3 0 2 Round your answer...
- Q Question 8 of 17 8 Find the variance of the small population data set 0 1 0 1 0 1 0 0 1 0 Answer
- Q 5 The sampling distribution of x is given below Find X XI 1 0 P x 0 2 Answer 1 5 2 0 0 3 2 5 0 4 0...
- Q 4 The sampling distribution of x is given below Find X 3 0 P X Answer 3 5 0 2 0 3 40 0 4 4 5 0 1
- Q 2 What is the probability that a simple random sample of size 2 drawn from the small population 2 2 3 4 will result in a sample mean of 3...
- Q 1 Use graphing technology where applicable to answer the following questions A neurologist wishes to determine if age affects how quickly a person reacts in a stressful situation such as...
- Q Question 17 of 17 17 Suppose a simple random sample of size 84 is selected from a large population in which 14 of the individuals have a characteristic of interest...
- Q y page of your document For each of the following questions identify whether it involves one variable analysis or two variable analys whether the variable s are discrete or continuous...
- Q Let the predictor variable x represent heights of males and let response variable y represent weights of males A sample of 143 heights and weights results in se 16 28265...
- Q The accompanying technology output was obtained by using the paired data consisting of foot lengths cm and heights cm of a sample of 40 people Along with the paired sample...
- Q Assume that you have paired values consisting of heights in inches and weights in lb from 40 randomly selected men The linear correlation coefficient ris 0 516 Find the value...
- Q A study was conducted to determine whether magnets were effective in treating pain The values represent measurements of pain using the visual analog scale Assume that both samples are independent...
- Q following results from a test for marijuana use which is provided by a certain drug testing company Among 145 subjects with positive test results there are 27 false positive results...
- Q Words were displayed on a computer screen with background colors of red and blue Results from scores on a test of word recall are given below Use a 0 05...
- Q A research center poll showed that 78 of people believe that it is morally wrong to not report all income on tax returns What is the probability that someone does...
- Q the selections independent or dependent If the selections are dependent can they be treated as independent for th adults in a region If a polling organization randomly selects 1235 adults...
- Q A modified roulette wheel has 32 slots One slot is 0 another is 00 and the others are numbered 1 through 30 respectively You are placing a bet that the...
- Q hen randomly selecting an adult A denotes the event of selecting someone with blue eyes What do P A and P epresent P A represents the A represents the event...
- Q Among 400 randomly selected drivers in the 20 24 age bracket 4 were in a car crash in the last year It a driver in that age bracket is randomly...
- Q Which of the following values cannot be probabilities 1 1 11 0 01 5 3 2 0 41 0 3 5 Select all the values that cannot be probabilities A...
- Q The following are the ratings of men by women in an experiment involving speed dating Use the given data to constr a boxplot and identify the 5 number summary 2...
- Q yes years of three government officials when they died in office were 55 44 and 61 Complete parts a through d Part 4 of 4 C Compare the population as...
- Q Researchers conducted trials to investigate the effects of color on creativity Subjects with a red background were asked to think of creative uses for a brick other subjects with a...
- Q genetics experiment involves a population of fruit flies consisting of 2 males named Andre and Bob and 2 females named Courtney and Diane Assume that two fruit flies are randomly...
- Q pling Three randomly selected children are surveyed The ages of the children are 1 3 and 8 Assume that samples population of 1 3 and 8 Listed below are the...
- Q When two births are randomly selected the sample space for genders is bb bg gb and gg Assume that those four outcomes are equally likely Construct a table that describes...
- Q Points 0 of 1 34 births are randomly selected the sample space for genders is bb bg gb and gg Assume that those four outcomes are equally likely Construct a...
- Q Ling Dis The ages years of three government officials when they died in office were 55 44 and 61 UB 55 44 55 61 44 55 44 61 61 55...
- Q ing When two births are randomly selected the sample space for genders is bb bg gb and gg Assume that those four outcomes are equally likely describes the sampling distribution...
- Q ing Dist A genetics experiment involves a population of fruit filles consisting of 2 males named Andre and Bob and 2 are randomly selected with replacement a After listing the...
- Q ng A genetics experiment involves a population of fruit flies consisting of 2 males named Andre and Bob and 2 females named are randomly selected with replacement a After listing...
- Q ng Distributi Gaca The ages years of three government officials when they died in office were 55 44 a Assuming that 2 of the ages are randomly selected with replacement...
- Q e Standard Find the indicated z score The graph depicts the standard normal distribution with mean 0 and standard The indicated z score is as needed 2206
- Q Distributions Qu Part 1 of 4 ree randomly selected children are surveyed The ages of the children are 1 3 and 8 Assume that sam opulation of 1 3 and...
- Q For bone density scores that are normally distributed with a mean of 0 and a standard deviation of 1 find the percentage of scores that are a significantly high or...
- Q K Assume that a randomly selected subject is given a bone density test Bone density test scores are normally distributed with a mean of 0 and a standard deviation of...
- Q The number of fires set by candles in a home is normally distributed The data is for 7 randomly selected years Establish a 99 confidence interval for the mean 5460...
- Q standard deviation 1 region The graph depicts the standard normal distribution of bone density scores with mean 0 and Z 1 19
- Q standard deviation 1 region graph depicts the standard normal d questo Jensity scores with m
- Q Find the mean of the data summarized in the given frequency distribution Compare the computed mean to the actual mean of 51 2 degrees Low Temperature o F Frequency 40...
- Q A researcher is interested in finding a 99 confidence interval for the mean number of times per day that college students text The study included 131 students who averaged 28...
- Q Listed below are amounts in millions of dollars collected from parking meters by a security company in a certain city A larger data set was used to convict 5 members...
- Q If your score on your next statistics test is converted to a z score which of these z scores would you prefer 2 00 1 00 0 1 00 2...
- Q Below are the jersey numbers of 11 players randomly selected from a football team Find the range variance and standard deviation for the given sample data What do the results...
- Q In a survey conducted by a wedding planning website 1247 married or engaged women were asked about the importance of a bended knee when making a marriage proposal Among the...
- Q This question 1 point s possible The access code for a garage door consists of three digits Each digit can be any number from 0 through 8 and each digit...
- Q What is the difference between an outcome and an event Choose the correct answer below A OA An outcome is the result of a single probability experiment An event is...
- Q What is the significance of the mean of a probability distribution Choose the correct answer below OA It can never be negative B It is the expected value of a...
- Q According to government data the probability that a woman between the ages of 25 and 29 was never married is 40 In a random survey of 10 women in this...
- Q This question 1 point s possible In a recent survey 80 of the community favored building a police substation in their neighborhood If 15 citizens are chosen what is the...
- Q K Sixty five percent of men consider themselves knowledgeable football fans If 14 men are randomly selected find the probability that exactly six of them will consider themselves knowledgeable O...
- Q K The following table contains data from a study of two airlines which fly to Small Town USA Number of flights which were on time Number of flights which were...
- Q The table lists the smoking habits of a group of college students Regular Smoker Heavy Smoker Sex Man Woman Total Non smoker 135 187 322 A 0 945 B 0...
- Q Determine the written description of the complement of the given event When ten televisions are shipped at least one of them is free of defects Choose the correct answer below...
- Q Show the ages of recent award winning male actors at the time when they won their award Make a frequency table for the data using bins of 20 29 30...
- Q The probability is Type an integer or a decimal Do not round poss Nineteen of the 100 digital video recorders DVRs in an inventory are known to be defective What...
- Q Given the confidence interval 0 44 0 72 determine the value of p a 0 140 b 1 160 c 0 280 d 0 580
- Q Which of the following is NOT a property of the Student t distribution Select one a reflects variability for small samples O b symmetric C same for all sample sizes...
- Q The SAT Verbal Test in recent years followed approximately a normal distribution with a mean of 460 and a standard deviation of 110 The scores on the ACT English Test...
- Q Determine the t score used for each confidence interval Report to 3 decimal places A n 6 and 95 confidence B n 14 and 99 confidence
- Q The least squares regression equation is y 733 3x 13 594 where y is the median income and x is the percentage of 25 years and older with at least...
- Q Explain what each point on the least squares regression line represents Choose the correct answer below OA Each point on the least squares regression line represents the predicted y value...
- Q there a relation between the age difference between husband wives and the percent of a country that is literate esearchers found the least squares regression between age difference husband age...
- Q What is a residual What does it mean when a residual is positive Choose the correct answer below OA A residual is the difference between an observed value of the...
- Q If the linear correlation between two variables is negative what can be said about the slope of the regression line Choose the correct answer below O A Positive OB More...
- Q r 0 933 Choose the correct graph below OA Response Q Q OB Response to the scatter diagram N O C Response O Q OD Response
- Q Match the linear correlation coefficient to the scatter diagram The scales on the x and y axis are the same for each scatter diagram a r 0 810 b r...
- Q The linear correlation between violent crime rate and percentage of the population that has a cell phone is 0 918 for years since 1995 Do you believe that increasing the...
- Q Determine whether the scatter diagram indicates that a linear relation may exist between the two variables If the relation is linear determine whether it indicates a positive or negative association...
- Q What is the difference between univariate data and bivariate data Choose the correct answer below OA In univariate data there is one mean In bivariate data there are two means...
- Q In a sample of 900 U S adults 189 think that most celebrities are good role models Two U S adults are selected from this sample without replacement Complete parts...
- Q Based on a poll among adults who regret getting tattoos 21 say that they were too young when they got their tattoos Assume that seven adults who regret getting tattoos...
- Q If np 25 and nq 25 estimate P fewer than 6 with n 13 and p 0 5 by using the normal distribution as an approximation to the binomial distribution...
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