A web site reported in 2018 that 47% of all web traffic comes from laptops and desktops. Based on a random sample of 11 households was selected.  a) what is the probability that exactly two households used a laptop or desktop to access the web?  b) what is the probability that less than three households used a laptop or desktop to access the web?  c) what is the probability that more than five households used a laptop or desktop to access the web?  d) what are the mean and standard deviation for this distribution?  -the mean for this distribution is ___.  -the standard deviation for this distribution is ___.

Q: In a study by the Department of Transportation, there were a total of 95 drivers that were pulled…

A: Given information- Total no. of drivers that were pulled over for speeding = 95

Q: Based on experience, 60 percent of the people who enter a shoe store make a purchase. In a random…

A: 60 percent of the people who enter a shoe store make a purchase. Hence the probability that a…

Q: In a class of 8 students, what is the probability that at least one was born in July?

A: c) Given that there are 12 months in a year. The probability that student born in July is…

Q: (a) If a shaft is selected at random, what is the probability that the shaft conforms to surface…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A survey asked 500 people about their magazine-reading habits. It found that in the past year, 210…

A: out of 500 people 210 people had read People magazine or National Geographic magazine, 220 had read…

Q: According to the 2013 March Supplement Survey, 22.3% of U.S. households are in the Midwest. In…

A: Given the 2013 March Supplement Survey, 22.3% of U.S. households are in the Midwest. In addition,…

Q: According to a study, 83% of k-12 schools or districts in a country use digital content such as…

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

Q: 2. An Italian web site claims that 80% of all downloads consist of books by foreign authors.…

A:

Q: The Statistical Bulletin reports that 22.5% of the households in the country are inhabited by one…

A: See below hand written answer: hgyukj

Q: What is the probability that a randomly selected student sings in the shower 1-2 times a week given…

A: The table given below ,    0 times a week 1-2 times a week Total Country 7 16 23 Rock 9 11 20…

Q: An ENGDATA class for engineers consists of 5 industrial, 10 electronics, 12 mechanical, 10…

A: There are total (5+10+12+10+8)=45 students.  Among them (12+10)=22 are mechanical or electrical…

Q: a) What is the probability that exactly two patients will arrive in a given hour? b) What is the…

A:

Q: What is the probability of having more than or equal to 6 snatching incident during a randomly…

A: By record of the local police department of Alabang, on an average, there are 3 cases of snatching…

Q: A recent survey by the New Statesman on British social attitudes asked respondents if they believe…

A: a)

Q: what is the probability that at least one of the pair of fair dice lands on 5, given that the sum of…

A: Solution:Total number of outcomes possible when a die is thrown = 6,Hence, Total number of outcomes…

Q: (a) What is the probability that of 10 laborers testing positive, 2 are cocaine users, 5 marijuana…

A:

Q: (a) What is the probability that a randomly selected individual is 45 to 54 years of age, given the…

A: let take,   X = Less likely and 45 to 54 years of age  Y=45 to 54 years of age Total number of…

Q: According to the Australian Bureau of Statistics, during a particular year, the country’s population…

A: The mean is, μ=np=200×0.226=45.2 The mean is 45.2 The standard deviation is,…

Q: According to a government statistical​ organization, the unemployment rate for workers aged 22 to 25…

A: Given data: p = 5.7% Sample size (n) = 90 To find: a. What is the probability that 6 or fewer will…

Q: According to a survey, 87% of all U.S. households own a TV set. In a random sample of 22 households,…

A:

Q: what is the probability more than half of the sampled students are working full time?

A: Assume sixty percent of all NKU students work full time. If a random sample of 70 NKUstudents is…

Q: What is the probability that at least 2 out of 30 received special accommodation?

A: Let p be the probability that a student will need special accommodation. Given that p = 0.015 Let X…

Q: A study conducted in a US city shows that 15% live in poverty. Find the probability that among 9…

A: GivenUS city shows that 15% live in povertyp=0.15n=9x~Binomial(n=9,p=0.15)P(X=x)=(nx)×px×(1-p)n-x…

Q: What is the probability that fair die was chosen given that six appeared?

A: Here given bag contain 5 dice out of them 2 unfair and 3 fair dice And for unfair die six occur 6…

Q: 1. What is the probability that he chose a banana and then a dalandan? 2. What is the probability…

A: Here use basic probability  Probability = (#Favorable outcome)/(#total outcomes)

Q: a- What is the probability that a soft drink is chosen randomly by a customer? b- What is the…

A: Given Data : Total Number of customers = 80 Number of customers choosing Soft Drink = 18…

Q: a. What is the probability that exactly 10 are from their elementary school? b. What is the…

A: Given:  In one of the biggest schools in Metro Manila, 80% of their high school students are known…

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: The Behbud association of Pakistan reported that 10% of shirts sold in Pakistan are black shirts…

A:

Q: Suppose that three microchips in a production run of forty are defective. A sample of five is to be…

A:

Q: Of the nine members of the board of trustees of a college, five agree with the president on a…

A:

Q: What is the probability that a five-card poker hand from a standard deck has two pairs of non-face…

A: There are 52 cards in a standard deck. 5 cards can be chosen in 525 ways Now, there are 4 face cards…

Q: if three balls are drawn at random, what is the probability that at least one of them is blue?

A: Three balls are randomly drawn from the box.The probability of at least one of them is blue can be…

Q: (a) What is the probability that in a randomlý sampled individual, gene 1 is dominant? (b) What is…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: In a New York Times article a reporter stated that seventy three percent of its readers favored the…

A:

Q: 1. What is the probability that a student selected at random prefers peach slices as a snack? 2.…

A: As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other…

Q: A population consists of 15 items, 10 of which are acceptable. In a sample of four items, what is…

A:

Q: according to popular belief, 80% of adults enjoy drinking beer. choose a group of 4 adults at…

A: The probability distribution explains the all the possible outcome in the experiment and the…

Q: (a) What is the probability that among 12 randomly observed individuals, exactly 7 do not cover…

A: here given , According to a study done by Nick Wilson of Otago University Wellington, the…

Q: What is the probability that a randomly selected person from the sample is a non-smoker? b. What is…

A: The data is given by   Coffee No Coffee Total Smoker 60 40 100 Non-smoker 115 85 200 Total…

Q: Suppose that 75% of all college students use TikTok. If 15 are selected at random: a)What is the…

A: Given :  Let X : No. of college students use TikTok  p = 0.75  n = 15

Q: According to a survey conducted by Deloitte in 2017, 0.4532 of U.S. smartphone owners have made an…

A:

Q: According to PAGASA (Philippine Atmospheric, Geophysical, and Astronomical Administration), on…

A: Given : Let X : Number of typhoons per year which is hit a CAR λ = 12Average number of typhoons per…

Q: are selected at random, what is the probability that the majority of the committee members are…

A: here  from given information, total 20 member  12 are teachers and 8 are students here 5 members are…

Q: Based on data from the Center for Statistics, 30% of adult Americans smoke. Ina sample of 12 adults:…

A: Note: As per Bartleby’s guideline for more than three subparts of a questions only first is to be…

Q: (a) What is the probability that among 12 randomly observed individuals exactly 8 do not cover their…

A: Given,  Probability of sneezing P=0.267  q=1-P     =1-0.267     =0.733For a binomial…

Q: Given that a randomly chosen card from a standard deck of 52 cards is less than 7, what is the…

A:

Q: A survey of 200 people, has found that 75 owned only mutual funds, 35 owned stocks, and 90 owned…

A: According to the provided information, there are 200 people, 75 owned only mutual funds, 35 owned…

Q: The employees of a company were surveyed on questions regarding their educational background…

A: It is an important part of statistics. It is widely used.

Q: According to the U.S. Federal Bureau of Investigation in Crime in the United States, in 2008, 72.0%…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

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.