3% of a country’s voters are dissatisfied with the direction of the government. Suppose a SRS of 50 voters was selected and asked if they were dissatisfied with the government. Let the variable X denote the number of dissatisfied voters selected out of 50. Please answer the following questions. a) How is the variable X distributed? b) Find the probability that at most 29 dissatisfied voters are selected in this sample . c) Find the probability that at least 30 dissatisfied voters are selected in this sample d)Find the probability that exactly 30 are selected in this sample e) Find the probability that between 20 and 25 dissatisfied voters inclusive are selected in this sample. f) Find the mean number of dissatisfied voters of samples of size 50 taken from this population g) Find the variance and standard deviation of the variable X.

Q: When two births are randomly selected, the sample space for genders is bb, bg, gb, and gg. Assume…

A: Sample proportions of girlsProbability00.250.500.510.25Sum1

Q: When two births are randomly​ selected, the sample space for genders is​ bb, bg,​ gb, and gg. Assume…

A: The given sample space is {(bb), (bg), (gb), (gg)}

Q: According to the National Center for Education Statistics, 17% of all people in the United States,…

A:

Q: Suppose that 64% of all voters prefer the Democratic candidate. Let X be the number of people who…

A: p=0.64n=37we have to find out the distribution of x and probability for the given data.

Q: When two births are randomly selected, the sample space for genders is BB, BG, GB, and GG. Assume…

A: It is given that the sample space is {bb, bg, gb, gg}.

Q: fractions.) n of the sampling distribution. to two decimal places as needed.)

A: The following table lists all the samples and male proportions in these samples:

Q: Are Republicans less likely than Democrats to display the American flag in front of their residence…

A:

Q: of the sample proporions equal proportion O A. Yes, both the mean of the sample proportions and the…

A: In the population the proportion of girl = 1/2  Now, distribution of sample proportion is given. So,…

Q: 15. Based on data from a USA Today Snapshot, 72% of adules have security concerns about online…

A: "Since you have posted a question with multiple subparts we will provide solutions only to the first…

Q: random sample is which of the following?  A. Probability that an item is selected for the sample is…

A: Random sampling: A simple random sample of size n is collected from a large population where each…

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

A:

Q: The 28 students in the data management mathematics class must submit a project. The teacher chooses…

A: From the provided information, Number of students = 28 From which teacher chooses 7 students. It is…

Q: A guidance counselor selected random samples of 25 ninth graders, 25 tenth graders, 25 eleventh…

A: The P - value of the test obtained from the test statistic value. The P value used to make the…

Q: 1. Identify 20 students as your sample. From each of the identified student, get information about…

A:

Q: The probability of a student to be successful in the "Critical Thinking and Decision Making" course…

A:

Q: 13. Based on the Harris poll, among adults who regret getting tattoos, 20% said that they were too…

A: Number of adults(n)=7Percentage of adults who says they were too young when they got there…

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

A: Given Total response 357

Q: Suppose you are assigned the number 1, and the other students in your statistics class call out…

A: In this case, we need to choose correct answers for the given statements.

Q: Employers want to know which days of the week employees are absent in a five-day workweek. Most…

A: Given : Day No. of Absences Monday 6 Tuesday 4 Wednesday 15 Thursday 3 Friday 7…

Q: When two births are randomly selected, the sample space for genders is bb, bg, gb, and gg. Assume…

A: The sample space for genders is These four outcomes are equally likely.

Q: 6. Suppose that 25% of all subscribers to a business magazine earn an income of more than $75,000.…

A: Given that  n=20 , p=25%=0.25 , q=1-p=1-0.25=0.75 p=Probability of income more than $75000…

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

A: GIVEN: Age Responds Refuse to respond Total 18-21 70 12 82 22-29 240 19 259 Total 310 31…

Q: According to the most recent data, 10.6% of engineers (electrical, mechanical, civil, and…

A: Given  p=10.6%, n=75

Q: genetics experiment involves a population of fruit flies consisting of 3 males named Andre, Barry,…

A: Solution

Q: When leaving a certain subway station a person can exit through any one of three gates, and any…

A: Given When leaving a certain subway station a person can exit through any one of three gates, and…

Q: Find the area of the shaded region under the given normal distribution, which has mean standard…

A: Given that,The distribution of widget is bell shaped. The mean  is 42 ounces.The standard deviation…

Q: heres a sampled of 361 people in total. People were allowed to self-identify as a heavy smoker or a…

A: Solution:  The two categorical variables are Smoking status and lung cancer diagnosis  To test the…

Q: A random sample, without replacement, of three items is to be selected from a population of five…

A: We have given that a random sample, without replacement, of three items is to be selected from a…

Q: 2. It is reported that 54% of college students take on debt to pay for their education. a) Suppose a…

A: Given data: 54% of college students take on debt to pay for their education. I.e ; p = 0.54 Sample…

Q: When a hunter aims at a helpless rabbit, he has 1 chance out of 10 to hit it. 1. Two hunters aim…

A: When a hunter aims at a helpless rabbit , he has 1 chance out of 10 to hit it. So, probability that…

Q: 4. In an organization consisting of 5 women and 10 men, a committee of four individuals is to be…

A: Given, An organization consists of 5 women and 10 men A committee of four individuals is to be…

Q: Q1.a) If the colours of cars is given by the distribution shown in Table Q1a): Table Q1a) Colour %…

A:

Q: gg. Assume that those outcomes are equally likely. Construct describes the sampling the sample…

A: The question is about sampling distribution Given : Sample space when two births are selected…

Q: Employers want to know which days of the week employees are absent in a five-day workweek. Most…

A:

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

A:

Q: In a study, it was found that 42.5% of the population drink soda at least once a day. You randomly…

A: It is an important part of statistics. It is widely used.

Q: A multiple-choice examination has 20 questions, each with four possible answers, only one of which…

A: If X~Binomial(n,p), then the pmf of X is : P(X=x)=nxpx1-pn-x;x=0,1,…,n0;otherwise

Q: Employers often require their employees to be subjected to random drug testing. Suppose that 5% of…

A: Given that,

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

A: Define the events, A : The person is age of 22-29 B : the person respond Now there are total 303…

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.