Based on historical data, your manager believes that 26% of the company's orders come from first-time customers. A random sample of 112 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is less than 0.29? Answer =

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 a 2009 Reader's Digest article, people throw away about 8% of what they buy at the…

A: From the provided information, People throw away about 8% of what they buy at the grocery store that…

Q: According to a 2009 Reader's Digest article, people throw away about 13% of what they buy at the…

A:

Q: equiring photo identification has been a controversial practice in recent elections. According to a…

A: Given problem is binomial distribution Let X : Americans favor requiring voters to provide photo…

Q: Suppose 42 % of the students in a university are baseball players. If a sample of 628 students is…

A:

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

A: Given: Sample proportion p=0.35 sample size n=58 The sampling distribution of the proportion follows…

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: According to a 2009 Reader's Digest article, people throw away approximately 12% of what they buy at…

A: Given Data population proportion,p = 0.12 sample size n = 171

Q: According to a 2009 Reader's Digest article, people throw away approximately 20% of what they buy at…

A: Defines that p is true proportion of that people throw away what they buy at the grocery store.

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 33% of the company's orders come from…

A: Given: n= Sample size =52p= Probability of population proportion of orders from first time…

Q: Based on historical data, your manager believes that 30% of the company's orders come from…

A:

Q: According to a 2009 Reader's Digest article, people throw away about 14% of what they buy at the…

A: Solution: It is given that people throw away about 14% of what they buy at the grocery store. So,…

Q: What is a probability distribution?

A: Probability Distribution : Definition : A probability distribution is the mathematical function that…

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: 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 a large shipment of microwave ovens contained 14 % defectives. If a sample of size 278 is…

A:

Q: What is the probability that a consumer we select randomly either spends 0-2 hours shopping on the…

A: The probability that a consumer we select randomly either spends 0-2 hours shopping on the internet…

Q: Suppose 45% of the doctors in a hospital are surgeons. If a sample of 844 doctors is selected,…

A: Solution: From the given information, the probability of the doctor in a hospital is a surgeon is…

Q: According to a 2009 Reader's Digest article, people throw away approximately 10% of what they buy at…

A: Given Information: According to a 2009 Reader's Digest article, people throw away approximately 10%…

Q: According to a 2009 Reader's Digest article, people throw away about 12% of what they buy at the…

A: Let X be the proportion of things throw away that people bought at the store. The population…

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

A:

Q: A film distribution manager calculates that 9 % of the films released are flops. If the manager is…

A: Given Information: Manager calculates that  9% of the films released are flops i.e., p=0.09 Sample…

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

A: From the provided information, Mean (p) = 0.11 Sample size (n) = 90 The standard deviation can be…

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: 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: According to a 2009 Reader's Digest article, people throw away approximately 18% of what they buy at…

A: Consider that p is proportion of items thrown buy the people what they buy at the grocery store.

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: According to a 2009 Reader's Digest article, people throw away about 14% of what they buy at the…

A: Given: Sample size (n) = 135 Population proportion (p) = 0.14

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

A:

Q: Suppose 44 % of the students in a university are baseball players. If a sample of 853 students is…

A: Where,

Q: A mail order company classifies its customers by gender and location of residence. The market…

A: A mail-order company classifies its customers by gender and location of residence. The market…

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

A:

Q: According to a 2009 Reader's Digest article, people throw away about 10% of what they buy at the…

A: Given that,  n=93, p= 0.10 The mean and standard error of the sampling distribution of sampling…

Q: Based on historical data, your manager believes that 26% 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 : p=0.34 n=175

Q: A carpet expert believes that 7 % of Persian carpets are counterfeits. If the expert is accurate,…

A: Given: p=0.07 and n=574.   So, p^ follows approximately normal distribution with mean, p=0.07 and…

Q: What is the probability of selecting all women for a​ seven-person jury from a pool of fifteen men…

A: Solution: From the given information, fifteen people are men and fifteen people are women. Total…

Q: Based on historical data, your manager believes that 31% of the company's orders come from…

A: The provided information are: Population proportion (p) = 0.31 Sample size (n) = 119 Consider, the…

Q: what is the random variable for the height of buildings? how do you find the probability…

A:

Q: According to a 2009 Reader's Digest article, people throw away approximately 17% of what they buy at…

A:

Q: A film distribution manager calculates that 9% of the films released are flops. If the manager is…

A: It is given that 9% of the films released are flops. A sample of 580 is considered.That is, p = 0.09…

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

A: 19)Given data,p=0.06n=276P(p>0.1)=?

Q: A researcher believes that 8 % of pet dogs in Europe are Labradors. If the researcher is right, what…

A: Where,

Q: What is the probability of selecting a score greater than 50 from a positively skewed distribution…

A: The given values are, Since the distribution of X is not a bell shaped distribution , and we use…

Q: (a) For the next shaft, what is the probability that its diameter is between 8.5 mm and 13.0 mm? (b)…

A:

Q: What is the shape of most probability distribution? Why do you think so?

A: Probability distribution is a mathematical function, and it describes that the random variable (x)…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.