What score can be added to the following data set in order for the new median to be 12? 3, 3, 6, 10, 14, 15, 17

Q: An exit poll is taken of 3,350 voters in a statewide election. Let X denote the number who voted in…

A: We have given thatProbability (p) = 60% = 0.60Number of voters (n) = 3350Let X denote the number who…

Q: Blue Box is testing a new “half price on Tuesday” policy on DVD rentals at a sample of 10 locations.…

A: There are two dependent samples which are New Price and Old Price.We have to test whether the mean…

Q: Sleep apnea is a disorder in which you have one or more pauses in breathing or shallow breaths while…

A: Given thatIn a cross sectional study of 340 adults who suffer from sleep anemia it was found that…

Q: The height of women ages 20-29 is normally distributed, with a mean of 64 inches. Assume a 2.7…

A: Mean (μ) = 64Standard deviation(σ)=2.7Sample size(n) = 27

Q: (a) Find a point estimate for the population of all customers who experienced an interruption. Round…

A: From the provided information,n = 530x = 80Confidence level = 99.5%

Q: week on gas by a sample of 32 Oxford drivers was found to be $32.38 with a standard deviation of…

A: Sample size n=32Sample mean=32.38Standard deviation=2.63

Q: A jar of peanuts is supposed to have 20 ounces of peanuts. The filling machine inevitably…

A: A sample of 12 jars of peanuts from the storage faculity and measures their contents.

Q: The mean amount of money spent per week on gas by a sample of 32 Oxford drivers was found to be…

A: The sample size is 32, the sample mean is 32.38 and the sample standard deviation is 2.63.

Q: In a survey of 2591 adults in a recent​ year 1414, say they have made a New​ Year's resolution.…

A: From the provided information,Confidence level = 90% and 95%

Q: A national polling agency conducted a survey based on a random sample of Americans. The poll finds…

A: We have given that the poll finds that 26% of Americans approve of the job that the President is…

Q: The following data represents the pH of rain for a random sample of 12 rain dates. A normal…

A: The formula to calculate the mean is,The formula to calculate the standard deviation is,

Q: What is the approximate forecast for November using a four-month moving average? Oct - 700 Sept -…

A: We have given the actual demand for months, we have to forecast for November using a four-month…

Q: Express the confidence interval (0.065,0.157) in the form of p-E<p<p+E. <p< (Type integers or…

A: Confidence Interval (0.065,0.157)Write the confidence interval in the form of p-E&lt;p&lt;p+E

Q: week 1 2 3 4 5 6 7 value 24 15 21 13 19 21 16 1. develop a three week moving average for this time…

A: We have given a data for 7 weeks as follows: weekvalue124215321413519621716

Q: 1. Fix r € N, and suppose that Y₁,..., Yn are independent and identically distributed NegBin(r, )…

A: Given that  are independent and identically distributed  random variables, each with probability…

Q: Construct the confidence interval for the population mean μ. c=0.90​, x=16.7​, σ=7.0​, and…

A: From the provided information,

Q: A) Calculate the mean and standard deviation of the data below with the attach equations (picture 1)…

A: Mean = sum of all observations/number of observations (n) = (0.8775+0.8751+0.8791+0.84087)/4 =…

Q: In simple linear regression, at what value of the independent variable, X, will the 95% confidence…

A: Let Y be the dependent  variable and X be the independent variable then the simple linear regression…

Q: following: a) The percent of students that scored over 575. b) The number of students that scored…

A: It is given that Mean = 450Std. deviation = 50

Q: The following data represent the number of flash drives sold per day at a local computer shop and…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a…

A: Mean()=69.1Standard deviation()=2.0

Q: A law school finds the following relationship between LSAT scores and first-year GPAS: average LSAT…

A:

Q: Let z be a standard normal random variable with mean ? = 0 and standard deviation ? = 1. Use Table 3…

A: the probability to the left of 1.3

Q: 10. Consider the following data set: duction 0.64 0.16 0.29 -0.38 0.49 0.81 -0.83 10.04 0.79 0.20…

A: Consider the given data: Data…

Q: According to a 2009 Reader's Digest article, people throw away about 8% of what they buy at the…

A: n=78, p=8%

Q: (2) The joint p.d.f of the random variables X and Y is e-x-y, x>0, y > 0, { f(x, y)= 0, otherwise.…

A: Given,the joint pdf -..The mean of X, mean of Y, conditional expectation, and conditional variance…

Q: For a population with a proportion equal to 0.32, calculate the standard error of the proportion for…

A: Solution-:Given: P=0.32 we want to calculate the standard error of the proportion for the following…

Q: Out of 193193 randomly selected adults in the United States who were surveyed, 8181 exercise on a…

A: sample size(n)=193x=81Confidence level=99%sample proportion()=

Q: The density of people per square kilometer for African countries is in table #2.2.11 ('Density of…

A: The given data represents the density. The given number of classes for the frequency table is 7.

Q: please need solution for part B 4.475 marked as wrong  and also where it says For this study, we…

A: The exam scores of sampled students, which are measured while taking the exam alone and in a…

Q: c. The p-value = 0.0101 x (Please show your answer to 4 decimal p

A: Test statistic t = -2.813Null and alternate hypothesisH0:μ1=μ2H1:μ1≠μ2

Q: 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 data Q Based on the boxplot above, identify the 5 number…

A: Boxplot in the given question.

Q: The EPA wants to test a randomly selected sample of ?n water specimens and estimate the mean daily…

A: Population standard deviation=33Margin of error=22

Q: Compare the variation of the 50 BMI’s and the 50 Pulse Rates. ​ ​BMI's  15.9​ 19.3​ 19.4​ 20​…

A: The given data is as follows:BMI'sPulse rate

Q: Tire lifetimes: The lifetime of a certain type of automobile tire (in thousands of miles) is…

A: For the distribution of the lifetime (in thousands of miles) of the specified automobile tires, it…

Q: How much should a healthy kitten weigh? Suppose that a healthy 10-week-old (domestic) kitten should…

A: Since you have posted a question with multiple subparts, we will provide solution to the first three…

Q: Given the following confidence interval for a population mean, compute the margin of error, E.…

A: We have given that, the confidence interval for a population mean as 9.56&lt;μ&lt;13.24To calculate…

Q: interval for the population standard deviation of the age ( 55 32 44 35 39 27 47 38 59 26 37 29…

A: It is given that n = 12s = 10.566Confidence interval = 99%

Q: Find the interval estimate for the mean of paired difference with 95% confidence level. (sd = 1.34)…

A: This is a problem of confidence interval for pair difference with significance level  α=0.05.Here,…

Q: 16. Use the given probability value to determine whether the sample results could easily occur by…

A: The sample size, n=104The number of pregnant women correctly predicted the gender of their baby =…

Q: Determine the following areas under the standard normal (z) curve: (Round your answers to four…

A: As per our guidelines we are supposed to answer three subparts kindly post the remaining subparts in…

Q: A patient has a 57% chance of surviving bypass surgery after a heart attack. If the patient survives…

A: Determine the specified events as follows:S: The patient survives bypass surgery.FR: The patient…

Q: Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and…

A: From the provided information,The shaded area 0.1894 is to the right of standard normal curve.

Q: You estimate the following model: excess returnt= a +ßexcess return on the markett + €t where excess…

A: The simple linear regression model is given asexcess returnt=α+β excess return on the markett+ϵtThe…

Q: A common lab test during a medical exam is a blood count. The two main aspects are counting the…

A:

Q: 6. The following is a random sample of scores on an attitude toward family planning scale for…

A: The data on scores on an attitude towards family planning scale for husband and wife are as…

Q: Dirty air: The federal government has enacted maximum allowable standards for air pollutants such as…

A: The random variable is x.We have to find the mean and standard deviation.This is continuous…

Q: According to a 2009 Reader's Digest article, people throw away about 7% of what they buy at the…

A: Given: Population proportion (p) = 7%  = 0.07    Sample proportion                  Sample size (n)…

Q: Answer the question for a normal random variable x with mean μ and standard deviation o specified…

A: Let X be the random variableGiven, X follows normal with µ=1.2 and σ=0.14

Q: Question list Question 7 O Question 8 O Question 9 K The data given to the right includes data from…

A: sample size (n)= 42number of red candies (x) =7want to construct a 95% confidence interval for…