Social networking. According to the Pew Research Internet Project (Dec. 2013) survey, the two most popular social networking sites in the United States are Facebook and LinkedIn. Of all adult Internet users, 71% have a Facebook account, 22% have a LinkedIn account, and 18% visit both Facebook and LinkedIn. a. Draw a Venn diagram to illustrate the use of social net- working sites in the United States. b. Find the probability that an adult Internet user visits either Facebook or LinkedIn. c. Use your answer to part b to find the probability that an adult Internet user does not have an account with either social networking site.

Q: In a survey, 19 people were asked how much they spent on their child's last birthday gift. The resul...

A:

Q: Places in a race, military ranks, ordering a class into valedictorian, etc. (first to last in GPA), ...

A: Answer :- Ordinal  Followings are the Answer of the question There are Main two types of variables ...

Q: Directions: Determine whether the statement is TRUE or FALSE by checking () the appropriate box. Wri...

A: Given that  We have to find whether the given statements are  The value resulting from 1-0.5 is 95 T...

Q: et X1,..., Xn be a random sample from a uniform distribution on the interval [20,0], where 0. et X(...

A: Solution

Q: 595 semiconductor wafers contains wafers from three lots. The wafers are categorized by lot and by w...

A: As per Bartleby guideline expert have to answer first three subparts only dear student please upload...

Q: 5. The conclusion of the analysis of a voting trend in a certain state at a given election, conclude...

A: Let us consider the voting trends in a certain state is such that the voting pattern of the successi...

Q: What are the odds of being a “light sleeper” if you are a female? What are the odds of being a “ligh...

A: HERE AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS PLZ REPOST FOR REMAINING  Here define events  Li...

Q: Malik is cashing his $140 paycheck and would like only $5 and $10 bills. The bank teller gives him 1...

A: Given , Malik is cashing his $140 paycheck and would like only $5 and $10 bills. The bank teller gav...

Q: Assume that a fair die is rolled. The sample space is , 1, 2, 3, 4, 56 , and all the outcomes are e...

A: We have given that,  A fair die is rolled the the sample space (S) is,  S = { 1, 2, 3, 4, 5, 6 } = 6...

Q: An aluminum master alloy manufacturer produces grain refiners in ingot form. The company produces th...

A: An aluminium master alloy manufacturer produces grain refiners in ingot form. The company produces t...

Q: a. Determine P(RUT) b. Determine P(ROT) c. Determine P(R')

A:

Q: Normal Random Variable) Suppose that X1 is a N(3,15) r.v., and X2 is a N(10,6) r.v., independent fro...

A:

Q: Calculate the standard deviation from the data given below : Size of item Frequency Size of item Fre...

A:

Q: Q - 16 From the following data compute Bowley's coefficient of skewness and interpret your result. I...

A:

Q: Let X be a continuous random variable with the following PDF fx(2) = {** Į ce to z 20 otherwise wher...

A:

Q: Use the probability distribution to complete parts (a) through (d) below. The probability distributi...

A:

Q: Complete the ANOVA table below, then answer the questions. ANOVA (alpha = 0.05) Source of Variation ...

A: The ANOVA one way test is used to compare the means of different levels of the factor. The null hypo...

Q: Let the sample space s of a random experiment be the numbers 1 through 10. {1,2,3,4,5,6, 7, 8, 9, 10...

A: According our policy we can answer only first three subpart for remaining please repost the question...

Q: 3.48 Consider the following Venn diagram, where P(E1) = .10, P(E2) = .05, P(E3) = P(E4) = .2, %3D P(...

A:

Q: Student Identification Numbers at a certain college must have four letters followed by three numbers...

A: Introduction: It is required to calculate the number of ID’s that the college can issue.

Q: The proper operation of typical home appliances requires voltage levels that do not vary much. Liste...

A: Given : The mean of the data set is 119.98; the sample standard deviation is 0.139

Q: State whether the events A and B are mutually exclusive or not. a) Experiment - a card is drawn from...

A:

Q: 2.7 Refer to #2.5 and compute the following conditional expectations: (a) E [Y|X = 1] (b) Var[Y|X = ...

A: Solution

Q: You wish to test the following claim (Ha) at a significance level of α=0.002α=0.002. Ho:p1=p2 Ha:p...

A: We have given that  significance level of α=0.002 Null and alternative hypothesis  Ho:p1=p2 Ha:p1≠p2

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance (p...

A: GIven data is Age Number(millions) 25 - 34 22.8 35 - 44 30.4 45 - 54 39.4 55 - 64 27.7

Q: Let X1,..., Xn be a random sample from a uniform distribution on the interval [20,0], where 9 0. Let...

A:

Q: Simple random sampling uses a sample of size n from a population of size N to obtain data that car b...

A: Here Given  Total Number of Bank accounts=50=N  Sample Size=4 accounts=n       NOTE-AS PER POLICY I ...

Q: A. Directions: State what you learned about the statement below in your own words. Write your answer...

A: Hypothesis testing : Hypothesis testing may be a style of applied mathematics reasoning that involve...

Q: (6) Let x1, -- ,X1o N(u, o2), where µ e R and o > 0 are unknown parameters. Consider the following f...

A:

Q: Assume the cholesterol levels of adult American women can be described by a Normal model with a mean...

A: According to the given information, we have Mean = 188 mg/dL Standard deviation = 24 mg/dL

Q: You wish to test the following claim (Ha) at a significance level of a = 0.05. Ho:H 75.4 Ha:µ > 75.4...

A: Assume that μ defines the population mean.

Q: 1. A survey was given to 18 students. One question asked about the one-way distance the student had ...

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a ti...

Q: Find the standard deviation of the following distribution : 40-45 40 30-35 35-40 45-50 25-30 110 20-...

A:

Q: The frequency distribution was obtained using a class width of 0.5 for data on cigarette tax rates. ...

A:        

Q: True or false: In a Time-series plot, the vertical axis represents time.

A: The horizontal axis represents the time period and vertical axis represents the data values measured...

Q: The following frequency distribution table is for 50 students who took a competency test. The data r...

A: Given data is  Test scores Frequency 300-399 2 400-499 13 500-599 19 600-699 11 700-799...

Q: In a survey, 20 people were asked how many magazines they had purchased during the previous year. Th...

A: Given that The data are 6 ,15 ,3 ,36 ,25 ,18 ,12 ,18 ,5 ,30,24 ,7 ,0 ,22 ,33 ,24 ,19 ,4 ,12 ,9  

Q: Multiply probabilities? A traffic light at an intersection near Jamal's house is red 40% of the time...

A: Formula : For independent event, P(A n B) = P(A) * P(B) 

Q: True–false exam: A section of an exam contains four true–false questions. A completed exam paper is ...

A:

Q: We are interested in using the pH of the lake water (which is easy to measure) to predict the averag...

A: The following data is given: Observations 1 2 3 4 5 6 7 8 9 10 pH (x) 8.2 8.4 7.0 7.2 7.3 6.4 9...

Q: Test the claim that the proportion of men who own cats is significantly different than the proportio...

A:

Q: .24. In a co-education institution, out of 200 students, 150 were boys. In an examinations, 120 boys...

A:

Q: bility of belng willing to pay higher prices to protect the environment P(Price) (Round to the neare...

A:

Q: A “cut score” Determines who “makes the cut” Determines the proficiency of surgical success Is a fre...

A: In general words : Cut score :  It is a selected point where particular test score is sufficient. Ex...

Q: ouppose that x1 N(1, O1) and x2 * N(2, 02), and that x1 and X2 are independent. Develop a procedure ...

A:

Q: Write P if the given situations are describing Permutation and C, if tells about Combination.     ...

A: Since you have posted multiple sub-parts of  question , we will solve first three sub-part of  quest...

Q: You work for a soft-drink company in the quality control division.  You are interested in the standa...

A: Given data is11.82,12.01,11.78,11.92,12.23,12.03,12,11.93,11.97,11.93,12.01,12.18,11.91,11.84,12.05,...

Q: Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at t...

A: Given Data : For Sample 1 x̄1 = 2.88 s1 = 0.06 n1 = 25 For Sample 2 ...

Q: The fertility rates (average number of chi l per hilar Lil adult woman) for several count tes are sh...

A: Here given fertility rate according to cities. We have interpret the value of median according to op...

Q: The iteration condition is a generalization of which of the following theorems from probability theo...

A: We have to choose the correct option for the statement :- The iteration condition is a generalizatio...