Given that 58% of all gold dealers believe next year will be a good one to speculate in South African gold coin, in a simple random sample of 150 dealers, what is the probability that between 55% and 60% believe that it will be a good year to speculate?

Q: Based on the most recent census, it is known that 32% of the adult population of North Nitch are…

A: We have given thatp = 0.32 n = 1000q = 1 - p = 1 - 0.32 = 0.68

Q: A sports forecaster says that there is a 40% probability of a team winning their next game.…

A: We have to find given odds against win.

Q: If 25 percent of students at a particular school use mechanical pencils, what is the probability of…

A: Given Information: The percentage of students using mechanical pencils =25% Number of the sample…

Q: If the firm stated that 30% would buy if contacted at home. What is the probability of the sales…

A:

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the probability that…

A: Given, 54% of the people own dog.That is

Q: Suppose that the probability that a child living in an urban area in the United States is obese is…

A: From the given information p = 0.20 and n = 15.

Q: According to a​ survey, 20.8​% of​ credit-card-holding families in a certain area hardly ever pay…

A: Suppose a random variable x, defines that the number of families those hardly ever pay off the…

Q: 2. An Italian web site claims that 80% of all downloads consist of books by foreign authors.…

A:

Q: xperience has shown that 15% of Tshwane municipal rates bills contain an estimated amount for…

A: Given that p=0.15 and n=75

Q: consider that 2% of engines produced by a factory need to be recalled. If 5 engines produced by it…

A:

Q: 1.Kyle Tucker is a centerfielder for the Houston Astros. This season Kyle as been at-bat 60 times…

A: 1. The total number of trials made by Kyle is represented by the number of at-bats which is equal to…

Q: Suppose the budget has the support of 54​% of the voters. What is the probability that the​…

A: The proportion of population in support follows normal distribution with mean 0.53 and standard…

Q: Between May 3, 2009 and June 2, 2012, 54% of Kickstarter pitches were unsuccessful. What is the…

A: Introduction: Denote p as the true population proportion of projects that were unsuccessful. Since…

Q: What is the probability that 15​,16​,17​,18​, or 19npeople in the sample are in favor of retaining…

A: d. Obtain the probability that 15, 16, 17, 18, or 19 Spaniards from the sample are in favor of…

Q: Ms. Bergen, a loan officer at Coast Bank and Trust, estimates a probability of 0.025 that an…

A:

Q: An insurance company says there is a 77% likelihood that you will be responsible for a car accident…

A: p = 0.77 n = 320 million  ==============================

Q: Draw a five card hand from a well-shuffled standard deck of cards. What is the chance that at least…

A: Here we draw 5 carsd from standard deck of cards.

Q: Suppose that 9% of college undergraduates suffer from a psychological disorder. What is the…

A: Let p be the probability that an undergraduate has a psychological disorder. Given that p = 0.09 Let…

Q: According to one study conducted at the University of Texas, 70% of all Americans can do routine…

A: p = 0.7 n = 8

Q: If 25 percent of students at a particular school use mechanical pencils, what is the probability of…

A:

Q: According to Wealth committee data, 0.4% of people have anemia. One thousand people are randomly…

A: Given that  p=0.4%=0.004 , n=1000

Q: Just before a referendum on a school​ budget, a local newspaper polls 357 voters to predict whether…

A: Given, n = 357 p = 53% = 0.53

Q: Suppose the proportion of elementary students in Texas that are enrolled in fully remote learning…

A: Given that p = 0.20, n = 100, p(x<=10) = ?

Q: Suppose that 47% of people own dogs. If you pick two people at random, what is the probability that…

A: We have given that Probability (p) = 0.35number of sample (n) = 2 Here we will use binomial…

Q: Suppose that 53% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: According to the 2001 Kids Count Data Book, about 80% of children under the age of 2 in the United…

A: Let Y be the number of children who have been immunized.It is given that 80% of children under the…

Q: . What is the probability that 187 or more of the sample will approve of President Biden’s andling…

A:

Q: 1.If 55% of the adult population is female, and a Jury consists of 12 adults, calculate the…

A: Given that n=12 , p=55%=0.55, q=0.45 X~Binomial(n=12,p=0.55)

Q: 5. Out of all registered vehicles in California, 95% of them pass the State Emissions Test. If ten…

A: Given information Probability of passing the emission test p = 0.95 10 vehicles are selected X…

Q: Suppose that 68% of people are left handed. If 24 people are selected at random, what is the…

A: Here, probability that the people are left handed is 0.68 and sample size 'n' is 24.

Q: A telemarketing firm conducts surveys with a 40% historical response rate. What is the probability…

A:

Q: Professor Ramos will participate in a lottery that will be played by five hundred participants. He…

A: Total number of participants = 500 (This implies 500 lottery tickets are there) Professor Ramos buys…

Q: Suppose the probability of an IRs audit is 4.2 percent for U.S taxpayers who file form 1040 and who…

A:

Q: Just before a referendum on a school​ budget, a local newspaper polls 424 voters to predict whether…

A: It is given that ,just before a referendum on a school​ budget, a local newspaper polls 424 voters…

Q: According to the U. S. Statistical Abstract 2009, about 25% of persons age 18 - 24 participated in…

A: Given, p = 25% = 0.25 n = 64

Q: Jacobs & Johnson, an accounting firm, employs 19 accountants, of whom 8 are CPAs. If a delegation of…

A: GivenTotal no.of accountants=19No.of CPAs=8No.of non CPAs=11

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.