Based on historical data, your manager believes that 25% of the company's orders come from first-time customers. A random sample of 133 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is less than 0.32? Answer =  (Enter your answer as a number accurate to 4 deci

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

A:

Q: expected number of students who read the book online.

A: Students purchased hard copy =P(H) = 60% =0.60 Students print out from the web =P(W)= 25% = 0.25…

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

A:

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: In 2019 about 45% of people watch over 3 hours of tv a week. Suppose 8 people were selected at…

A: It is given that n = 8 and p =0.45.

Q: One thousand (1000) elderly males and 2500 elderly females were randomly selected for a dementia…

A: Introduction: It is given that among a sample of 1000 elderly males, 210 elderly males are diagnosed…

Q: 6 of the last 10 sundaes sold had nuts. Considering this data, how many of the next 5 sundaes sold…

A: The probability that sundaes sold had nuts is, Psold sundaes have nuts=610=0.6 The probability that…

Q: A poll showed that 68.5% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: Given information- Percentage of Americans believe that Marilyn Monroe had an affair with JFK =…

Q: In a large city, 70% of people own a cell phone. A sociologist wishes to study the impact cell…

A: The objective of this question is to find the probability that between 33 and 36 people out of a…

Q: Suppose 56% of the students in a university are baseball players.   If a sample of 873 students…

A: Step 1: State the given data: population proportion, p = 56% = 0.56sample proportion, p̂ = 55% =…

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: 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: 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: A magazine reported that 6 percent of all drivers talk on their cell phone while driv If 300 drivers…

A: Given data, p=6% =0.06 n=300 P(0.04<X<0.07)=?

Q: What is the probability that the sample proportion exceeds 0.12?

A: Given According to a 2009 Reader's Digest article. First, we need to find the standard deviation for…

Q: 53% of undergrads at UD are from Ohio. If a Simple Random Sample of 180 UD undergrads will be taken,…

A: proportion of Undergrads at UD are from Ohio(p)=0.53sample size(n)=180Mean()=p=0.53standard…

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: 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: Current estimates suggest that 70% of the home-based computers in a foreign country have access to…

A:

Q: What is the probability that the sample proportion exceeds 0.12?

A: Let p be the proportion of throw away of what people buy at the grocery state. Given that p=13% =…

Q: Suppose 52% of the students in a university are baseball players. If a sample of 436 students is…

A: Given thatThe proportion of the students in a university are baseball players = 0.52Total sample…

Q: Suppose that 20% of the cars on the road of Tashkent city are equipped with an anti-radar device.…

A: Given 20% of the cars are equipped with an anti-radar device. Sample size, n=4

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

A: We have given that  Sample size n= 153 , p=13%=0.13

Q: Suppose 59% of the students in a university are baseball players. If a sample of 632 students is…

A: The given values are:Population proportion (p) = 59% = 0.59Sample size (n) = 632Desired sample…

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: The national institute of mental health reports a 22% chance of an adult suffering from a…

A: Answer: From the given data, Sample size(n) = 8 P = 22% = 0.22

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

A:

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: Suppose 56% of the doctors in a hospital are surgeons. If a sample of 417 doctors is selected,…

A: given:p = population proportion p = 56% = 56/100 = 0.56 n = sample size n = 417 In order to find the…

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: A healthcare agency reported that 51% of people who had coronary bypass surgery in 2008 were over…

A:

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

A:

Q: Find the probability for the sample proportion of men who experience sleep apnea to be le

A: Suppose that 20% of the population of men experience sleep apnea. A random sample of n = 64 men is…

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: A study indicates that 70% of teenagers have have a tattoo. You randomly sample 9 teenagers. Find…

A: The information provided in the question are as follows :  Proportion of teenagers those have…

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…

Q: A poll showed that 80.4% of Americans say they believe that you lose your body heat fastest through…

A: Given, P(they believe that you lose your body heat fastest through your head) = 80.4%=0.804   P(they…

Q: Suppose that 42% of people are on low calorie diet. If you pick three people at random, what is the…

A:

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

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.