Based on historical data, your manager believes that 34% of the company's orders come from first-time customers. A random sample of 168 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 0.41? (Enter your answer as a number accurate to 4 decimal places.)

Q: It has been estimated that 30% of post-secondary students switch majors within their first two years…

A: Population: Population consists of the complete subjects that are included in the study for making…

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: In a large population, 59% of the people have been vaccinated. If 5 people are randomly selected,…

A:

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

A: given data  n = 100 p = 0.10 P(p^>0.02) = ?

Q: Suppose 56% of politicians are lawyers. If a random sample of size 564 is selected, what is the…

A: From the provided information, 56% of politicians are lawyers that is p = 0.56 Sample size (n) = 546

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

A: Introduction: Denote p as the true population proportion of items thrown away by grocery shoppers,…

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: 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 26% of the company's orders come from…

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

Q: The CEO of TikTok thinks that 75% of users are under the age of 30. A simple random sample of 100…

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: what is the probability that greater than 12.72% of them ended up dropping out?

A: Let p be the dropout rate of high school. Given that, Population proportion (p) = 10.28% = 0.1028 q…

Q: In a large population, 61% of the people have been vaccinated. If 5 people are randomly selected,…

A: From the given information, Sample size (n) = 5, Probability of success (p) = 0.61.

Q: Suppose 56% of politicians are lawyers. If a random sample of size 564 is selected, what is the…

A: Given: 56% of politicians are lawyers that is proportion (p) = 0.56 Sample size (n) = 564

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: n = 143 is the number of M&Ms in my bag and x =6 is my count for Green M&Ms. Using the sample of n…

A: Answer :- Given,  n = 143 is the number of M&Ms in my bag                  and x =6 is my count…

Q: One half of the people in the United States own individual stocks. In a random sample of 12 people,…

A: Given that  Number of trials n=5 Success of probability p=0.5 X~binomial (n,p)

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: The director of a health club conducted a survey and found that 23% of members used only the pool…

A:

Q: The Food Marketing Institute shows that 17% of households spend more than $100 per week on…

A: Given N=800 P=0.17

Q: Suppose that John Q. Basketballplayer has made 8.9% of his previous free throw attempts.  What is…

A: Let X be the random variable from binomial distribution with probability (p) = 8.9% = 0.089 and…

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

A:

Q: Given that 7.0% of the population of Canada have blood type O-negative, calculate the probability…

A: Given that 7.0% of the population of Canada have blood type O-negative so the probability of getting…

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

A: Given information : Population proportion = p= 10% = 0.10 q = 1 - p    = 1 - 0.10 = 0.90 Sample size…

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

A:

Q: It is estimated that 3.5% of current high school seniors will live past their 90th birthday. If a…

A:

Q: Fifty-three percent of all U.S. citizens have some college education. Choose 10 people at random,…

A:

Q: Suppose 50 % of politicians are lawyers. If a random sample of size 518 is selected, what is the…

A: Consider that p is proportion of all politicians.

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: The scientist claims that 8% of viruses are airborne if the scientist is accurate what is the…

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…