Public Opinion reported that 5% of Americans are afraid of being alon night. If a random sample of 20 Americans is selected, find the

Q: A test has 10 multiple choice questions, and each question has 5 possible answers. How many answers…

A: Given: Number of questions, n=10 Each question has 5 possible answers.

Q: The placement test for a college has scores that are normally distributedwith μ= 400 and σ= 75. If…

A:

Q: Members of fraternities and sororities are required to volunteer for community service. Do…

A: When one variable not related to the other then we say they are independent observation. If the…

Q: In a class, 30% of the students offered English, 20% offered Hindi and 10% offered both. If a…

A: Percentage of students offered English is 30%. Percentage of students offered Hindi is 20%.…

Q: A small ice cream parlor has had great success over the past several years and is interested in…

A: Given information: Number of customers randomly selected in the sample, n = 56 Number of customers…

Q: Amarble is selected at random from a jar containing 2 red marbles, 3 yellow marbles, and 4 green…

A: GivenA jar containsNo.of red marbles=2No.of yellow marbles = 3No.of green marbles = 4Total no.of…

Q: The following table shows the frequency of outcomes when two distinguishable coins were tossed 4,400…

A: From the given information, the total number of tosses is 4400. The number of tosses with the first…

Q: for its Music 360 survey, Nielsen Co. asked teenagers and adults how each group has listenedto music…

A:

Q: A geologist has collected 15 specimens of basaltic rock and 15 specimens of granite. The geologist…

A: Given information: Given that a geologist has collected 15 specimens of basaltic rock and 15…

Q: The percent of licensed U.S. drivers (from a recent year) that are female is 48.60. Of the females,…

A: It is given that, 48.60% drivers are female.

Q: or its Music 360 survey, Nielsen Co. asked teenagers and adults how each group has listened to music…

A: Selecting 10 teenagers randomly and asking that whether they use Pandora Media Inc.’s online service…

Q: Getaway Travel Agency surveyed a random sample of 45 of their clients about their vacation plans.Öf…

A: Given that there are 45 samples and 21 expected that they would go on 3 vacations in the next year.…

Q: A group of 50 teachers and school administrators attended a convention. If any two persons are…

A: Solution: Let x be the number of teachers.

Q: for its Music 360 survey, Nielsen Co. asked teenagers and adults how each group has listenedto music…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: What is the sample space for choosing 1 jelly bean at random from a jar containing 5 red, 7 blue and…

A: Sample space : Sample space is the set of all possible outcomes of a random experiment.

Q: Zach ,a Quality Process Engineer for Hershey Chocolates, pulled 16 random kisses from duction and…

A: For the given information, sample mean=0.1608=AVERAGE(E1:E16) sample standard…

Q: Suppose that a sample of 1200 people in the USA revealed that 125 of them are left- handed. Then the…

A: The population represents the total number of people considered such that the result of a sample…

Q: A manufacturer of automobile tires reported that among a shipment of 600 sent to a local…

A: Given that 20 are blemished out of 600. So the probability of blemished is= 20/600= 1/30

Q: A section of an exam contains two multiple-choice questions, each with three answer choices (listed…

A: Given:  In an exam there are two multiple choice questions each having three options "A", "B" and…

Q: . Below are the number of hours spent by teache and 12 students were selected at random to there is…

A: Given, Excel output:

Q: If a company employs 3,500 people and if a random sample of 175 of these employees has been taken by…

A:

Q: Give a sample problem involving "probability of a complement"

A: Given: The objective is to provide a sample problem for "probability of a complement".

Q: - In a survey of 500 students of a college, it liked watching hockey and 62% liked watc

A: Given, in a survey of 500 students of a college, it was found that 49% liked watching football, 53%…

Q: A survey found that 58% of American adults said they use the Internet. If 20 American adults are…

A: Answer - A survey found that 58%   i.e P = 0.58               n= 20,    x = 12

Q: Construct the sample space for rolling a 3-sided die twice. The die contains the numbers from 1 to…

A: Solution: Suppose two 3-sided dice are rolled. Then, the sample space is Number of elements in the…

Q: A meeting of consuls was attended by 4 Americans and 3 Germans. If three consuls were selected at…

A: Given: The number of Americans in a meeting consuls are n(A)=4. The number of Germans in a meeting…

Q: According to flightstats.com, American Airlines flights from Dallas to Chicago are on time 80% of…

A: According to flightstats.com, American Airlines flights from Dallas to Chicago are on time 80% of…

Q: Both Spinner A and Spinner B have equal-sized sections, as shown at the right. Make a table to…

A: As per given by the question and figure, there are two equal size spinner, spinner A and spinner B…

Q: A public opinion poll in Ohio wants to determine whether registered voters in the state approve of a…

A: A public opinion poll in Ohio wants to determine whether registered voters in the state approve of a…

Q: From a group of 12 students, we want to select a random sample of 4 students to serve on a…

A: From the provided information, Total students in a group = 12 The different ways of selecting r…

Q: Following the model above, if 128 different people each observe one randomly chosen groups of four…

A:

Q: Find the five‑number summaries for the pain and no‑pain groups. (Enter your answers rounded to two…

A:

Q: From a group of 12 students, we want to select a random sample of 5 students to serve on a…

A: Given n=12 r=5

Q: If I use the portion of the given random number table to select the first five students to be…

A: Given that there are 250 students and they are numbered from 001 to 250 in alphabetical order. To…

Q: Suppose that insurance companies did a survey. They randomly surveyed 450 drivers and found that 300…

A: Part a:          x = 300         n = 450         p' = 300/450 = 0.6667   Part b:  X is the number of…

Q: In a random sample of 120 killer bees, how many would you expect to be agitated by the color GREEN?…

A: Number of killer bees are expected to be agitated by color green = (% of bees agitated by color…

Q: Explain random numbers?

A: Introduction A no. in mathematics and statistics is an object which is used for counting, measuring…

Q: for its Music 360 survey, Nielsen Co. asked teenagers and adults how each group has listenedto music…

A: a. A random sample of 10 teenagers is selected and they are asked how they listen to music. It was…

Q: Identify the sample space of the probability experiment: answering a multiple choice question with…

A: Given that answer choices are A, B, C, and D. So the possible answers are A, B, C, and D. The sample…

Q: For its "music 360 "survey, nielsen co asked teenagers and adults how each group has listened to…

A: (a)   Determine whether the binomial setting can be applied or not.   The given experiment is…

Q: The executives of an accounting firm plan to survey a random sample of clients to determine how…

A: Identify the correct option for the sample for the given data. The correct option is identified…

Q: For its Music 360 survey, Nielsen Co, asked teenagers how they listened to music in the past 12…

A: Note: Hey there! Thank you for the question. As you have posted several sub-parts of a question,…

Q: For its “Music 360" survey, Nielsen Co. asked teenagers and adults how each group has listened to…

A: Given: n=10p=0.35

Q: If a survey of a movie shows that 50% of all people who like the movie, enjoyed the official movie…

A: Introduction: Population of interest: The population of interest includes all the individuals of…

Q: Bradley Nixon is interested in the study habits of online math students.  As part of his study, he…

A: First need to understand about sample and population. Population: It is the set of all the possible…

Q: for its Music 360 survey, Nielsen Co. asked teenagers and adults how each group has listenedto music…

A: Given:  The probability that the U.S. teenagers under the age of 18 say they use google Inc.’s…

Q: A factory that makes gaming systems selects 100 random systems to check for defects. They find that…

A: A factory that makes gaming system select 100 random systems. The 3 gaming system are defective. The…

Q: You are asked to guess the average weight of the six watermelons by taking a random sample without…

A: Here drawing 2 sample without replacement  So Total possible sample 6C2 = 15