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

A: n=81p=0.25

Q: The top 5% of applicants on a test will receive a scholarship. If the test scores are normally…

A: According to the given information in this question We need to find the lowest score

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 35% of the company's orders come from…

A:

Q: The number of power outages at a retirement center has a mean of “a+1” outages per year. What is the…

A: The objective of this question is to find the probability of exactly 3 outages in a year and the…

Q: The table summarizes results from 979 pedestrian deaths that were caused by automobile accidents.…

A: From the provided information,   Pedestrian Intoxicated Pedestrian Intoxicated…

Q: The table summarizes results from 980 pedestrian deaths that were caused by automobile accidents.…

A: Given data:   Pedestrian Intoxicated   Driver Intoxicated Yes No Total Yes 56 84 140 No 215…

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: It is given that,

Q: If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was…

A: The data is given by   Pedestrian intoxicated (Yes) No Total Driver intoxicated (Yes) 44 70 114…

Q: According to a 2009 Reader's Digest article, people throw away about 7% of what they buy at the…

A: Given: Population proportion (p) = 7%  = 0.07    Sample proportion                  Sample size (n)…

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

A: Given data, p=14% =0.14 n=144 P(p<0.2)=?

Q: The table summarizes results from 982 pedestrian deaths that were caused by automobile accidents.…

A: The objective of this question is to find the probability that the pedestrian was not intoxicated or…

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: The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.…

A: The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.…

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: Seventy-six percent of small business owners do not have a college degree. If a random sample of 60…

A: Given data, p=76%=0.76 n=60 P(X=48)=?

Q: Given a bag with 13 red marbles, and 42 blue marbles, what is the probability of pulling two…

A: There are 13 red marbles and 42 blue marbles.

Q: The table summarizes results from 975 pedestrian deaths that were caused by automobile accidents.…

A: Solution:- Given data  DriverIntoxicated Pedestrian Intoxicated yes Pedestrian Intoxicated no…

Q: The table summarizes results from 979 pedestrian deaths that were caused by automobile accidents.…

A:

Q: The table summarizes results from 990 pedestrian deaths that were caused by automobile accidents.…

A: Total number of pedestrian deaths is n = 990.

Q: The time students take to complete an exam follows a uniform distribution and is between 30 minutes…

A: We have to find given probability.

Q: The table summarizes results from 979 pedestrian deaths that were caused by automobile accidents.…

A:

Q: uppose that 72% of Veterinary School graduates who take the licensure exam for their state pass the…

A: p =0.72 n = 150 z-critical value at 0.75 = 0.6745

Q: During the 2013 regular NBA season, DeAndre Jordan of the Los Angeles Clippers had the highest field…

A: Given,n=80p=0.613np=80×0.613=49.04>5nq=80×(1-0.613)=30.96>5np and nq are greater than 5 so ,…

Q: A mobile phone brand has a mean time of failure that equals to 1000 days. What is the probability…

A: Its exponential distribution

Q: Suppose 58% of the registered voters in a country are Republican. If a sample of 570 voters is…

A: As given,  58% of the registered voters in a country are Republican. This implies  P = population…

Q: The table summarizes results from 975 pedestrian deaths that were caused by automobile accidents.…

A:

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

A:

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

A:

Q: Suppose that at a college, 55% of the students earn a degree at the end of four years and 27% earn a…

A: It is given that, at a college 55% of the students earn a degree at the end of four years.