A drug trial had 215 participants. A survey was done to gather information about the participants' experiences with side effects. The table below gives the results for two possible side effects. Had anxiety but not drowsiness Had drowsiness but not anxiety Had anxiety or drowsiness (or both) Construct a Venn diagram illustrating these results. Then answer the questions. All participants in the survey Number of participants 26 145 171 Had anxi Had drowsiness How many participants had drowsiness? participants How many participants had both anxiety and drowsin participants

Q: Describe the shape of the sampling distribution of p. Choose the correct answer below. OA. The shape…

A: It is given that  N = 30000 n = 1100 p = 0.708

Q: A survey of 9 popular restaurants is used to estimate the mean number of kitchen employees. Which…

A: A survey of 9 popular restaurants is used to estimate the mean number of kitchen employees.

Q: 100 samples were obtained from a normal population with means = 50, variance = 4 and confidence…

A: First, find the mean for every sample using the formula:  mean = ΣXi/n  eg:- For sample 1, add…

Q: n a recent court case it was found that during a period of 11 years 884 people were selected for…

A: given datan=884p^=0.35α=0.01claim:p≠0.807

Q: Let A and B be events with P(A) =0.4, P(B) =0.7, and P(B|A) =0.5. Find P (A and B).

A: The question is about prob. of events Introduction : If A and B are two events then the condition…

Q: a. What does “empirical” mean in the context of experimentation? b. Is there sufficient evidence to…

A:

Q: In a lottery, you pay $1 and pick a number from 000 to 999. If your number comes up, you win$400,…

A: From the provided information, Probability of winning (win) = 0.001 with profit $399. Probability of…

Q: Given that x = 28, n = 42, and o = 4, then we can be 95% confident that the true mean,μ, lies…

A: given data, x¯=28n=42σ=4CI=0.95α=1-0.95=0.05here σ is unknown so we use z - distribution

Q: Consider a drug testing company that provides a test for marijuana usage. Among 302 tested​…

A: Given We have to test the hypothesis that proportion of test results were wrong is less than 10%…

Q: Assume that a sample is used to estimate a population proportion p. Find the 95% confidence interval…

A:

Q: For the following set of scores, find the value of each expression. X 2 4 a. Σ (Χ – 2)

A: Given X=3,2,4,2

Q: The accompanying data represent the total travel tax (in dollars) for a 3-day business trip in 8…

A: given data  67.72,78.35,69.96,84.58,79.52,85.78,100.81,98.51sample size (n) = 8

Q: A normal random variable X is given with a mean = 22 and a standard deviation o=17 Give an…

A: Here, μ=22 and σ=17.

Q: From a lake, an unknown proportion of fish have been tagged.  You collect a sample of 100 fish taken…

A:

Q: A genetic experiment involving peas yielded one sample of offspring consisting of 423 green peas and…

A: Given that,   The sample proportion is,

Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 443 green peas…

A: given data 443-green peas162-yellow peas605- total peas CI =0.90proportion for yellow peas…

Q: The owner of a chain of mini-markets wants to compare the sales performance of two of her stores,…

A: The question is about paired t test Given :   To find : To test the hypo. that mean daily sales for…

Q: MATHEMATICAL

A: Given, Sample  Mathematical Skills (x) x2 1 43 1849 2 37 1369 3 44 1936 4 30 900 5 32…

Q: B1. A set of data consists of 45 observations between $0 and $29. a) How many classes would you…

A: a. If the number of class is k then 2k> n The number of observations is 45.

Q: Suppose that there are eight students trying out for a soccer team looking for three new players.…

A: Note: Hi there! Thank you for posting the question. To avoid the plagiarism issue, we have used the…

Q: 1. Suggest one reason why male high school students tended to work longer hours than female…

A: Solution: From the given information, the percentage of students working were either moderate…

Q: Every society has its own marks of wealth and prestige. In ancient China, it appears that owning…

A: Level of significance: The significance level, denoted by the lowercase Greek letter alpha, i.e., α…

Q: A combination lock has a total of 40 numbers and will unlock with the proper 3-numbers equence. How…

A: Given information- We have given that a combination lock has a total of 40 numbers and will unlock…

Q: The following data show the number of hours per day 12 adults spent in front of screens watching​…

A: Solution-: From the given dat we want to find the 99​% confidence interval to estimate the average…

Q: XN 2 3 2

A: given data  value of x :2,2,7,3,1 we have to find out the (∑X)2=?

Q: Let 31 A 1 0 2 120 a) Note the Eigenvalues are 1,4,and -2. Find the normalized Eigenvectors of A and…

A: A = 311102120 λ = 14-2 Note: As multiple questions are given first question is solved as per…

Q: The time spent, in minutes, on physical activities per day was recorded for a sample of college…

A: Note- Since you have posted multiple questions, as per our guidelines we are supposed to answer only…

Q: MATH 1342 Elementary Statistical Methods Lab Ch.5 - Probability Critical Thinking; Communication…

A: As per our guidelines we are suppose to answer only three sub parts. Given,Total no.of M&M's=280…

Q: Heights for teenage boys and girls were calculated. The mean height for the sample of 47 boys was…

A: Given data isThe height of teenage boys and girls are calculated belowsample of boys(n)= 47The mean…

Q: The capacity of a building to withstand earthquake forces without damage follows a Gamma…

A: From the given information, The capacity of a building to withstand earthquake forces without damage…

Q: How to draw bar chart using R code

A: a) we have to save data in excel form of CSV(comma eliminated ) type.  Then load the data using the…

Q: Albert thinks that he has a special relationship with the number 6. In particular, Albert thinks…

A: (a)

Q: An Office of Admission document claims that 56% of UVA undergraduates are female. To test this…

A: The claim is that 56% of UVA undergraduates are female.

Q: ppose à pulations as shown. ABC D 490 School Students 410 496 1074

A: Question 6 Given, Suppose a school district needs to distribute 13 counselors among four different…

Q: The fill amount of bottles of a soft drink is normally distributed, with a mean of 1.0 liter and a…

A: given data,normal distribution μ=1σ=0.05n=25 we have to find out the given probabilties for the…

Q: A correlation coefficient of -0.1 for two variables based on 200 data points most ikely indicates:…

A: From the above question  We are given that the  A correlation coefficient of -0.1 for two variables…

Q: PLEASE ANSWER QUESTION D  Q2) New Drivers: An Insurance company check police records of 582…

A: Given dataAn insurance company checks police recordsout of 582 accidents selected 91 of them were…

Q: 56% of students entering four-year colleges receive a degree within six years. Is this percent…

A: as per guideline expert have to answer first 3 subparts only. upload other separetely.    given data…

Q: Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A…

A: agree to respond refuse to respond total 18-21 year 67 12 79 22-29 year 262 18 280 total 329…

Q: If you want to be 95% confident of estimating the population mean to within a sampling error of 13…

A: It is given that confidence level is 0.95, the population standard deviation is 13 and the margin of…

Q: Problem 7 You’re a healthcare engineering consultant and you’re analyzing the emergency room design…

A: The data shows the waiting time of non-critical patients entering the emergency room.

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

A: Given data is5.05,5.72,5.24,4.80,5.02,4.58,4.74,5.19,5.29,4.76,4.56,5.68sample size(n)=12

Q: Physicians at a clinic gave what they thought were drugs to 960960 asthma, ulcer, and herpes…

A: given data  n = 960 p^ = 0.52claim: p>0.49

Q: A committee consists of 12 women and 5 men. Three members are chosen as officers. What is the…

A: Given that, No.of women = 12 No.of men = 5 Total no.of persons  = 17   (i.e.12+5) Consider that…

Q: For the following set of scores, find the value of each expression. 2 N 3 | ΣΧ

A: The table shows the set of scores.

Q: A random sample of 44 subjects who identified themselves as compulsive buyers was obtained and given…

A: Givensample size(n)=44Mean(x)=0.57standard deviation(s)=0.14significance level(α)=0.05

Q: K Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest…

A: Given: n = 10 Formula Used: Confidence Inerval = X ± t*sn

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 6.6…

A: Given Mean=6.6 Standard deviations=1.8

Q: QUESTION 3 A survey of 64 popular restaurants is used to estimate the mean number of kitchen…

A: Given that the data is right skewed. That means it is not symmetric. So normal distribution can not…

Q: In a test of the effectiveness of garlic for lowering cholesterol, 50 subjects were treated with…

A: