Based on historical data, your manager believes that 26% of the company's orders come from first-time customers. A random sample of 146 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is between 0.28 and 0.46?

Q: Based on historical data, your manager believes that 33% of the company's orders come from…

A: It is given that n =89 and p =0.33.

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

A:

Q: The coach of a running team thinks that 45% of athletes can run a mile in under 7 minutes. A simple…

A: Given problem Given that   The coach of a running team thinks that 45% of athletes can run a mile…

Q: In a recent year, the Better Business Bureau settled 75% of complaints they received. You have been…

A: Given, in recent year, the Better Business Bureau settled 75% of the complaints they have received.…

Q: ased on historical data, your manager believes that 37% of the company's orders come from first-time…

A:

Q: Based on historical data, your manager believes that 25% of the company's orders come from…

A: n=81p=0.25

Q: Based on historical data, your manager believes that 26% of the company's orders come from…

A: Given data, n=181 p=26%=0.26 P(X<0.29)=? μ=p=0.26σ=p(1-p)n=0.26(0.74)181σ=0.0011

Q: Based on historical data, your manager believes that 44% of the company's orders come from…

A: Obtain the probability that the sample proportion is between 0.22 and 0.33.   The probability that…

Q: According to a 2009 Reader's Digest article, people throw away about 11% of what they buy at the…

A: We have to find given probability

Q: Based on historical data, your manager believes that 33% of the company's orders come from…

A:

Q: In a recent year, the Better Business Bureau settled 75% of complaints they received. You have been…

A:

Q: Based on historical data, your manager believes that 32% of the company's orders come from…

A: Given p=0.32n=89 Let the sample proportion be denoted by p^

Q: Based on historical data, your manager believes that 37% of the company's orders come from…

A:

Q: Based on historical data, your manager believes that 29% of the company's orders come from…

A:

Q: A courier service company wishes to estimate the proportion of people in various states that will…

A: number of samples, n = 330 true proportion, p = 0.05 Let, p^ be the sample proportion.  Hence p^…

Q: In a recent year, the Better Business Bureau settled 75% of complaints they received. You have been…

A: Solution: From the given information, p=0.75 and n=289.

Q: According to a 2009 Reader's Digest article, people throw away about 9% of what they buy at the…

A: Given that

Q: Based on historical data, your manager believes that 26% of the company's orders come from first -…

A:

Q: A courier service company wishes to estimate the proportion of people in various states that will…

A: Consider that p is population proportion of people in various states that will use the courier…

Q: Based on historical data, your manager believes that 29% of the company's orders come from…

A: The question is about sampling dist. of sample prop.Given :Popl. prop. of company's order come from…

Q: Based on historical data, your manager believes that 26% of the company's orders come from…

A: Given information Population proportion = 0.26 Sample size = 175 Probability that the sample…

Q: 11 of the 744 digital video recorders​ (DVRs) in an inventory are known to be defective. What is the…

A: From the provided information,11 of the 744 digital video recorders​ (DVRs) in an inventory are…

Q: Suppose 57% of the population has a college degree. If a random sample of size 770 is selected,…

A: the pdf of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: What is the probability of selecting a sample with the proportion of females being 0.56 or greater?

A: here p =  proportion of female in US =  0.51  n = 500

Q: It is known that 17% of people ride public transport without paying for it. We talk to 85 people who…

A: Consider that p is population proportion people, who ride public transport without paying for it.

Q: Based on historical data, your manager believes that 33% of the company's orders come from…

A:

Q: Based on historical data, your manager believes that 34% of the company's orders come from…

A: Given that  p=0.34(34%) n=78

Q: A hotel manager calculates that 12% of the hotel rooms are booked. If the manager is right, what…

A: From the given information,P be the probability that hotel rooms are booked = 0.12.Sample size (n)…

Q: The opera theater manager calculates that 32% of the opera tickets for tonight's show have been…

A: The opera theater calculates that 32% of the opera tickets for tonight's show have been sold. That…

Q: It is known that 17% of people ride public transport without paying for it. We talk to 79 people who…

A: Given,sample size(n)=79sample proportion(p^)=0.17

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: a fast food center wants to estimate the proportion of people in its city that will purchase its…

A:

Q: Based on historical data, your manager believes that 32% of the company's orders come from…

A: The probability that the sample proportion is greater than than 0.45 = 0.00352

Q: Based on historical data, your manager believes that 27% of the company's orders come from…

A: Given problem Given that   Based on historical data, your manager believes that 27% of the…

Q: Goofy's fast food center wishes to estimate the proportion of people in its city that will purchase…

A: Consider that p is population proportion of people in its city that will purchase its products.

Q: Based on historical data, your manager believes that 40% of the company's orders come from…

A:

Q: Based on historical data, your manager believes that 34% of the company's orders come from…

A: It is known that, the mean of the sampling distribution of sampling distribution, p-hat is equal to…

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

A:

Q: Based on historical data, your manager believes that 27% of the company's orders come from…

A: Given that, n=188,p=0.27 The mean of the sampling distribution is, The Standard error of the…

Q: A hotel manager believes that 10% of the hotel rooms are booked. If the manager is accurate, what is…

A: Given that 10% of the hotel rooms are booked. That is p=0.10 And there are sample of 454 rooms. That…

Q: Based on historical data, your manager believes that 35% of the company's orders come from…

A: Concept of sampling distribution of sample proportion: Let a particular characteristic of a…

Q: Based on historical data, your manager believes that 34% of the company's orders come from…

A:

Q: Based on historical data, your manager believes that 33% of the company's orders come from…

A: Given that, p=33%=0.33 n=106

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.