Generation Y has been defined as those individuals who were born between 1981 and 1991. A 2010 survey by a credit counseling foundation found that 59​% of the young adults in Generation Y pay their monthly bills on​ time) Suppose we take a random sample of 210 people from Generation Y. What is the probability that 130 or fewer will pay their monthly bills on​ time? Please show how to do using Excel

Q: The average waiting time for a calling customer by the call center of a bank's telephone banking is…

A: Given Data: Let X represent the waiting time Waiting time follows exponential distribution E(X)=240…

Q: The Colombia power company experiences power failures with a mean of 0.210 per day. Find the…

A: Given mean, λ=0.21   The probability distribution of Poisson distribution isPX=x=e-λλxx!

Q: On average, a textbook author makes 1.5 word-processing errors per page on the first draft of her…

A: Solution: Let X be number of word-procession errors per 2 pages on the first draft. Since it is a…

Q: At a local college, 276 of the male students are smokers and 414 are non- smokers. Of the female…

A: The probability that both are non-smokers is obtained below: From the given information, The number…

Q: A textile manufacturing process finds that on average, six flaws occur per every 240 yards of…

A: Given that 240 yards - 6 flaws 60 yards - ? lamda = ( 60* 6)/240 = 1.5 Using poisson distribution…

Q: Find the probability distribution for the number of Modern CD when 4 CDs are selected at random from…

A:

Q: If there is a 2% chance that a child will be born with a disease X, what is the probability that no…

A:

Q: A manufacturing machine has a 5% defect rate. If 9 items are chosen at random, what is the…

A: Given:  5% defect rate. If 9 items are chosen at random

Q: A poll is given, showing 65% are in favor of a new building project. If 9 people are chosen at…

A:

Q: A poll showed that 70.5% of Americans say they believe that some psychics can help solve murder…

A: We will use the complement property of probability  Total probability is = 100%  And given that…

Q: find the probability that exactly 2 people willget enough sleep each night?

A:

Q: The mean number of power outages in the city of Brunswick is 4 per year. Find the probability that…

A: A simple formula to calculate the probability from a frequency distribution of X is given by:

Q: Find the indicated probability. 1) Of 1454 people who came into a blood bank to give blood, 357 were…

A: Given Data: The number of people who came to give blood is: n=1454 The number of people ineligible…

Q: The average number of newspapers sold at a busy intersection during rush hour is 5 per minute. What…

A: Given that the average number of newspapers sold at a busy intersection during rush hour is 5 per…

Q: At a local college, 175 of the male students are smokers and 525 are non-smokers. Of the female…

A: Given information- We have given data of a local college of smokers and non-smokers in male and…

Q: Calculate the exact probability that the mean of 3 die rolls will be >2.5 and less than or equal to…

A: Here is the experiment of rolling a 3 die. Minimum sum=3 =(1,1,1) Maximum sum=18=(6,6,6) A total…

Q: The probability that a patient recovers from a rare blood disease is 0.4 If 15 randomly chosen…

A: Given: Probability that patient recovers, p=0.4sample size, n=15

Q: The average number of cars arriving at a petrol station is 2 per minute. What is the probability…

A: Let X denotes the number of cars arrived in 4-minute interval Given : Arrival Rate (λ) = 2 cars per…

Q: When women turn 40, their gynecologists typically remind them that it is time to undergo mammography…

A:

Q: If the probability that your DVD player breaks down before the extended warranty expires is 0.046​,…

A: Let 'E' be the event representing that the DVD player breaks down before the extended warranty…

Q: A jury consists of 7 people chosen from a jury pool consisting of 5 Men and 6 Women. What is the…

A:

Q: A cancer diagnostic test is 95% accurate both on those who have cancer and on those who do not. If…

A: As the test is 95% accurate for both who have cancer and who don’t, therefore the probabilities here…

Q: What is the probability of observing leukemia remission when the cellularity of the marrow clot…

A: Solution: Given  lnπ(y=1)1-π(y=1)=-2.88+3.08CELL-2.5INFIL The estimated logistic regression equation…

Q: esearch Institute reports that 66% of workers reported that they and/or their spouse had saved some…

A:

Q: The average number of cars arriving at a petrol station is 2 per minute. What is the probability…

A: Solution: Let X be the number of cars arriving at a petrol station in four-minute interval. From the…

Q: The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to…

A: Given,       Sample size n=15          P=1-0.4=0.6      X~Binomial n=15, P=0.6      PX=x=nCx…

Q: Recently, the top web browser had 57.41% of the market. In a random sample of 200 people, what is…

A:

Q: In a large population, 59%6 are infected with a certain disease. If you take a random sample of 30,…

A: Given,n=30p=0.59Let x=no.of people infected with certain disease.x~Binomial(n=30 , p=0.59)P(X=x)=Cx…

Q: The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to…

A:

Q: According to the Center for Disease Control (CDC), the percentage of boys who are diagnosed with…

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: The mean number of power outages in the city of Brunswick is 5 per year. Find the probability  that…

A:

Q: In one town, 78% of adults have health insurance. What is the probability that 8 adults selected at…

A: (6) Given Data: The percentage of adults have health insurance is: p=78%=0.78   The binomial…

Q: For a recent year, the Centers for Disease Control reported that the probability that a 50-yr-old…

A: Recall the following fact.

Q: According to the National Institutes of Health, 55% of adults experience some form of lactose…

A:

Q: Last week, a flower delivery business conducted a survey on customer happiness. They found that 69%…

A:

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: A geneticist constricts an experiment with peas, one sample of offspring consisted of 460 green peas…

A:

Q: According to Financial Executive, disability causes 48% of all mortgage foreclosures. Given that 20…

A:

Q: A recent survey of 1070 U.S. adults selected at random showed that 629consider the occupation of…

A: Probability:   The ratio of the number of favorable outcomes to certain event and total number of…

Q: According to a study conducted by a statistical organization the proportion of Americans were…

A: The conditions for normal approximation to the binomial distribution are given below:   np≥5…

Q: An average of 3 traffic accidents per month take place at a junction. So what is the probability of…

A: We have to find given probability.

Q: Market research has shown that 60% of persons who are introduced to a certain product actually buy…

A: Consider X be the random variable that represents the number of people that will buy the certain…

Q: A psychiatrist believes that 80% of all people who visit doctors have psychosomatic problems. She…

A: Let p be the probability that a person who visits doctors has psychosomatic problem. Given that p =…

Q: The average number of people waiting in the line at a bank muscat ATM is one person every 30…

A: Given that there is 1 person on an average every 30 minutes. So there will be 2 persons on an…

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 survey of 190 students at a College showed that 108 students studied College Math, 70 studied…

A:

Q: What is the probability that there will be 8 calls in a given one hour interval?

A: here given, The average interval between calls on a phone is 10 minutes. λ = 110 calls per minute λ…

Q: Describe the weights of the top 10% of the babies born within each gestation period. a.  42 weeks…

A: Introduction: Denote the random variable, Denote X as the birth weight of a randomly selected baby…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.