A survey of 501 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night.  It found: 200 watched TV 156 ate pizza 49 watched TV and ate pizza, but did not hang out with friends 40 watched TV and hung out with friends, but did not eat pizza 43 hung out with friends and ate pizza, but did not watch TV 34 watched TV, hung out with friends, and ate pizza 58 did not do any of these three activities How may 18-24 year olds (of these three activities) only hung out with friends last Friday night?

Q: A researcher wanted to study the tendency of our choices to be influenced by our environment, so she…

A: From the given information, Observed frequency Expected frequency observed-Expected2Expected 16…

Q: a. Explain the role of Venn-Diagram in science, engineering, medical and management sciences. b. In…

A: A Venn diagram, sometimes referred to as a set diagram, is a diagramming style used to show all the…

Q: A sample was taken of 25 Diploma students who were planning to further their study to degree level.…

A:

Q: How may 18-24 year olds (of these three activities) only hung out with friends last Friday night?…

A: Set theory

Q: A survey of 539 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: Let us denote: T=TV, P=Pizza, F=hang out with friends Given that  n(T)=162, n(P)=176,n(T∩P∩F')=26,…

Q: A survey of 550 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: Let A, B, C be denote the following A: People who watched TV B: People who hung out with friends C:…

Q: A sample of 100 e-mail users were asked whether their primary e-mail account was a free account, an…

A: Introduction: Categorical variable: Categorical variable categories each individual to corresponding…

Q: According to the September 20, 1994, issue of Family Circle, 39% of Americans own guns for hunting,…

A: Calculate expected frequencies by multiplying proportion by 2000 as given below, Obs. Freq.(Oi)…

Q: survey of 517 adults aged 18-24 year olds was conducted in which they were asked what they did last…

A:

Q: A survey of 180 college men was taken to determine participation in various campus activities.…

A: Note: Hey, since multiple subparts are posted, we will answer first three subparts according to our…

Q: A survey of 500 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: To determine the number of adults only ate pizza

Q: A survey of 537 adults aged 18-24 year olds was conducted in which they were asked what they did…

A:

Q: 49 hung out with friends and ate pizza, but did not watch TV 49 watched TV, hung out with friends,…

A: Using Vann diagram we can solve easily.

Q: A survey of 502 adults aged 18-24 year olds was conducted in which they were asked what they did…

A:

Q: A consumer survey was conducted to examine patterns in ownership of tablet computers, cellular…

A: Let T represents the people who owned tablet computers, C represents the cellular phone and B…

Q: A survey of 550 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: The given example can be solved in two ways first by using the venn's diagram method and…

Q: A survey of 505 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: The Venn diagrams are used to visualize or picturized the similarity and dissimilarity between the…

Q: An anonymous survey of college students was taken to determine behaviors regarding alcohol,…

A: let the total number of students surveyed be U number of students who drink alcohol be A number of…

Q: In a survey of 130 people, the following data were collected: 106 people subscribed to the…

A: 106 people subscribed to the newspaper. 29 people subscribed to magazine. 17 people were members of…

Q: 1). Cognitive science consistently shows that one of the most effective studying tools is to…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A researcher wanted to study the tendency of people’s choices to be influenced by their environment,…

A: Given :

Q: urvey of 533 adults aged 18-24 year olds was conducted in which they were asked what they did last…

A: Given, Total number = 533 No. of persons who watched TV = 196 No. of persons who hung out with…

Q: il environment has a negative effect on people. A pair of researchers performed a series of…

A: Given,population mean (µ) = 10sample mean (x̄)  = 7.88sample standard deviation (s) = 2.35sample…

Q: he Coca-Cola Company introduced New Coke in 1985. Within three months of this introduction, negative…

A: (a-1)   State the hypotheses   Let Factor A denotes the types of Drink Let Factor B denotes the…

Q: A survey of 515 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: Total number of adults surveyed = 515 The provided information can be shown as;

Q: A survey of 526 adults aged 18-24 year olds was conducted in which they were asked what they did…

A:

Q: A survey of 526 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: Consider the venn diagram according to given:

Q: The owner of a popular coffee shop believes that customers who drink espresso are less likely to use…

A: X1=15, n1=50, X2=24, n2=50

Q: A survey of 526 adults aged 18-24 year olds was conducted in which they were asked what they did…

A:

Q: A survey of 546 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: We solve it by VENN DIAGRAM

Q: A survey of 520 adults aged 18-24 year olds was conducted in which they were asked what they did…

A:

Q: A survey of 516 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: From the information.Total number of adults was conducted = 516.

Q: A survey of 523 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: Solution: From the given information, total number of adults aged 18-24 year olds is 523. Here,…

Q: An employee at the metropolitan museum of art surveyed a random sample of 150 visitors to the museum…

A:

Q: Three hundred adults were asked whether or not they watch for calories and fat content when they buy…

A: Given: Yes means that an adult watches for calories and fat content and no means he/she does not…

Q: The owner of a popular coffee shop believes that customers who drink espresso are less likely to use…

A: H0: pEspresso - pCoffeee = 0 H1: pEspresso - pCoffeee < 0 P-value = 0.033 Alpha = 0.05

Q: A survey of 526 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: Suppose Set A : The adults that watched TV Set B : The adults that hung out with friends. Set C :…

Q: A survey of 505 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: given A survey of 505 adults aged 18-24-year-olds was conducted in which they were asked what they…

Q: survey of 517 adults aged 18-24 year olds was conducted in which they were asked what they did last…

A: Let's define the events pertaining to activities.  A =  hang out with friends  B = ate pizza  C =…

Q: In a survey of 233 people about the operating systems of various devices that they use (cell phone,…

A: Let number of people using android, apple and windows device be n(a), n(i) and n(w) Given, n(a)=146,…

Q: A survey of 514 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: Calculation:Obtain the venn diagram using the given information as follows

Q: A survey of 548 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: Let the total number of adults be U=548 Let the total number of adults who watched TV is T=159 Let…

Q: In a survey of 130 people, the following data were collected: 106 people subscribed to the…

A: Hence we are given with a+b+d+e=106          (1)b+c+e+f=29             (2)d+e+f+g=17…

Q: cigarettes, 101 drank alcohol regularly and used illegal drugs, 106 smoked cigarettes and a used…

A: let number of students used alcohol daily be A number of students smoked regularly be S number of…

Q: A survey of 519 adults aged 18-24 year olds was conducted in which they were asked what they did…

A:

Q: survey of 548 adults aged 18-24 year olds was conducted in which they were asked what they did last…

A:

Q: Suppose a survey of 30O Ryerson University students was conducted to determine their smoking habits.…

A: Let C be the number of students who smoke cigarettes, E be the number of students who smokes…

Q: In a study on the effect of the invasion of personal space, experimenters approached pedestrians…

A: Given, Staved = 12 Stepped toward = 8 Stepped back = 10 Punched person = 15         A. What is the…

Q: A survey of 525 adults aged 18-24 year olds was conducted in which they were asked what they did…

A:

Q: Cognitive science consistently shows that one of the most effective studying tools is to self-test.…

A: * Solution :-

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.