An insurance company has a portfolio of 10,000 policies. Based on past data the company estimates that the probability of a claim on any one policy in a year is 0.003. It assumes no policy will generate more than one claim in a year. 4. 5. study to compare two different methods of teaching reading, a class of 20 children divided into two groups at random. Each group was taught reading using one (a) (b) (c) Determine the approximate probability of more than 40 claims from the portfolio of 10,000 policies in a year.

Q: Use the table to calculate average number of individuals (based on a survey of 7 millennials) who…

A: The average number of individuals (based on a survey of 7 millennials) who have one or more tattoos…

Q: Assuming 3% of the callers are amenable to a specific sales pitch and purchase your product.  What…

A: It is given that p = 0.03 and n =2,000.

Q: An applicant has applied for positions at Company A and Company B. There is a 40% chance of getting…

A: For the event, A as the event of getting an offer from company A, PA=40%=0.40. For the event, B as…

Q: A bank is interested in studying the number of people who use the ATM located outside its office…

A: Average=1.6 customer X~Pois( average=1.6) for 10 minutes interval

Q: You are randomly selecting a sample of 15 participants for your research. The probability of…

A:

Q: According to the manufacturer, M&M's are produced and distributed in the following proportions:…

A: P(brown ) =0.113P(red) =0.108P(yellow) =0.143P(green) =0.184P(orange) =0.177P(blue) =0.275

Q: The probability that a person in the United States has type B blood is 10%. If 3 people are randomly…

A: Let X be a random variable that represents the person in the united states who has type B blood. The…

Q: a. 27% students have passed their last year's degree examination. A random sample of 7 students is…

A: Given data ,PPass=27 %=0.27PFail=1-PPass=1-0.27=0.37If n=7P4≤x≤6=?

Q: According to a study of overweight patients, 52 percent have high blood pressure. Find the…

A:

Q: the age of Subject #101 is 71. Divide that age by 10 and put a % on it.  That is the probability of…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: In a factory producing light bulbs, the quality control team randomly selects 100 bulbs from a batch…

A: The number of selected bulbs, n=100.The number of defective bulbs, x=10

Q: Dr. x was interested in studying the hand-washing habits of York KINE students, so they sampled 100…

A: Given that  Sample size n =100 Population mean μ =125 SEM=3

Q: It was reported that 19.8% of computer games sold in 2005 were classified as "family and…

A: Given Let A = computer games sold were classified as " family and children" P(A)=19.8%=0.198

Q: Suppose that a risk S follows a collective model where N has a geometric distribution of parameter p…

A: Given :  N has a geometric distribution of parameter p = 1/2

Q: Suppose the prevalence of alcoholism among college students is 20% among those living in group…

A: It is given that the prevalence of alcoholism(A) among college students is 20% among those living in…

Q: Based on historical data, your manager believes that 33% of the company's orders come from…

A:

Q: In Russia, 57 percent of the population use public transportation. In a sample of 10 individuals,…

A: Its binomial probability

Q: An experiment tested a tree fertilizer on a large number of elm and oak trees to see whether it…

A: Given that   Positive  Negative  Total Oak 73 45 118 Elm 102 27 129 Total 175 72 247

Q: Based on a​ poll, among adults who regret getting​ tattoos, 23% say that they were too young when…

A: Givenp=0.23n=10x~Binomial(n=10,p=0.23)P(X=x)=(nx)×px×(1-p)n-x     ; x=0,1,...,n

Q: In Jamalpur District, 60% of children started primary school, 70% of the children who have completed…

A:

Q: 1. Study of consumer buying habits revealed that 30% of consumers only shop in retail brick and…

A:

Q: If the Bit Error Rate (BER) in a wireless communication system in 0.5%, then find the followir side,…

A: 100 Megabytes (MB) = 838,860,800 Bits Bit Error Rate= Number of bits having error/ Total bits…

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: A population proportion is 0.61. Suppose a random sample of 655 items is sampled randomly from this…

A:

Q: It is estimated that 0.45 percent of the callers to the Customer Service department of Dell…

A: P=0.45%n=1000

Q: 5. Out of all registered vehicles in California, 95% of them pass the State Emissions Test. If ten…

A: Given information Probability of passing the emission test p = 0.95 10 vehicles are selected X…

Q: at is the probability that 9 shoppers from this sample felt that regifting was socially acceptable?…

A: We have given that  Sample size n = 10 Success of probability p= 0.81 X~binomial ( n , p)…

Q: A study of consumer smoking habits includes 200 people in the 18-22 age bracket (40 of whom smoke),…

A: Given:   Smoke Not smoke Total 18 - 22 40 160 200 23-30 31 99 130 31-40 30 70 100 Total…

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A:

Q: An examination has  historical record of a 25% rate of failure.For a group of 15 students sitting…

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Q: Students Given a $1 Bill O.A.0.659 Find the probability of randomly selecting a student who spent…

A: It is given asTotal number of students are= 27 + 13 + 14 + 34 = 88

Q: Organ Donors USA Today provided information about a survey of 5100 adult Internet users. Of the…

A: There are 100 adults who are randomly selected from each state and the District of Columbia.

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.