Based on historical data, your manager believes that 31% of the company's orders come from first time customers. A random sample of 200 orders will be used to estimate the proportion of first- time-customers. What is the probability that the sample proportion is less than 0.28? [Percent or decimal will work, at least 2 decimals]

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

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

A: Solution: Given information: n= 99 Sample size  p= 0.34 Population proportion

Q: Suppose a large shipment of stereos contained 11% defectives. If a sample of size 311 is selected,…

A: Solution: From the given information, p=0.11 and n=311.

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: 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: 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: Suppose 55% of the doctors in a hospital are surgeons. If a sample of 496 doctors is selected, what…

A: In hospital ,  There are 55% of doctors are surgeons  Sample size = N = 496  P(sample proportion of…

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: 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: 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: A geneticist conducts an experiment with beans, one sample of offspring consisted of 455 green beans…

A: Solution-; Given: Number of green beans =455           Number of yellow beans =141           Total…

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 door delivery florist wishes to estimate the proportion of people in his city that will purchase…

A: Solution: From the given information, the true proportion is p=0.07 and n=209.

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: Within what interval would you expect the sample mean to fall, with 98 percent probability?

A:

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: 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 door delivery florist wishes to estimate the proportion of people in his city that will purchase…

A: Given: p=0.06n=420

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: Suppose that 24% of US adults favor an increase in taxes.  What is the probability that in a group…

A: According to the given information, we have Sample size, n = 8 Given that 24% of US adults favor an…

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: A film distribution manager calculates that 4% of the films released are flops.If the manager is…

A: The given data: Probability that the films released are flops, p = 0.04 Number of samples, n= 747…

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

Q: A direct mail company wishes to estimate the proportion of people on a large mailing list that will…

A: