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: f a seed is planted, it has a 55% chance of growing into a healthy plant. If 100 randomly selected…

A: I have noticed that you have asked more than three questions in this conversation. As per the honor…

Q: A manufacturing machine has a 65% defect rate. If 128 items are chosen at random, answer the…

A: Comment: As per the out company guidelines are supposed to answer only three subparts. Kindly repost…

Q: The data in the following table show the association between cigar smoking and death from cancer for…

A: Total = 139,235 Probability= favorable/total

Q: 11). A survey was done where TV viewers were asked about which programs they watch. It was found…

A: The probability that viewers watch neither program is given by P(A ∩B) = 1 - P(A ∪B) P(A ∩B) = 1 -…

Q: given to 333 randomly selected people, answer the following.   g) What is the probability that…

A:

Q: In the United States, voters who are neither Democrat nor Republican are called Independent. It is…

A: The provided information is as follows:The total number of people surveyed is .The probability that…

Q: In your​ area, 23​% of firms are owned by women. You call local firms at random in order to sell…

A: The objective of this question is to calculate the probability of certain events occurring when…

Q: At Orlando international airport, 8% of flights are overbooked. A sample of 12 flights are…

A: Note: Since you have posted questions with multiple subparts we will solve the first three questions…

Q: a) Find the probability that 35 of those sampled have a HS diploma or the equivalent. b) Find the…

A: Here the given situation follows a binomial distribution.

Q: At your​ school, 1212​% of the class are marketing majors. If you are randomly assigned to two…

A: a)0.12 b)0.88 c)0.0144 d)0.2112Explanation:Proportion of marketing majors:p=0.12 a)The probability…

Q: Assume this year's flu vaccine has a 60% chance of being effective. If the vaccine is given to 330…

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

Q: 10. The table shows the survey in which 1010 college students were asked two questions: 1) if they…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub-parts, according to…

Q: consider a situation where cars entering an intersection could turn right, turn left, or go…

A: The question is about probability.Given :No. of cars = 2No. of directions of turn = 3At intersection…

Q: Suppose the Emerson loses 36% of all thumb wars. A) what is the probability that emerson loses two…

A: a).Given that Emerson loses 36% of all thumb wars. That is probability of losing a thumb war is…

Q: Five percent of workers in a certain city use public transportation to get work. If you randomly…

A: We have given that  Given thatp = 5% = 0.05n = 250

Q: In 1997, Kingston had a population of 99,873 people. Since nobody in the city has more than 99,871…

A:

Q: based on a Harris poll among adults who regret getting tattoos 20% say that they were too young.…

A: Binomial distribution :  Binomial distribution describes the possible number of events occurs in…

Q: At your​ school, 12​% of the class are marketing majors. If you are randomly assigned to two…

A: The objective of this question is to calculate the probability of different scenarios involving…

Q: According to data collected over the years,  30% of passengers of a plane ask for coffee as their…

A: Suppose the success is "ask for a coffee". It is given that the percentage of asking for a coffee is…

Q: An experiment consists of dealing four cards from a standard 52-card deck. What is the probability…

A: Four cards are dealt from a standard deck of 52 cards.

Q: A standard deck of cards contains 52 cards. One card is selected from the deck. A)Compute the…

A: Given that ; A standard deck of card has 52 cards.  No. Of card of heart ❤ = 13 No. Of card  of…

Q: d) What is the probability that exactly 81 of them are defective? Round final answer to 4 decimal…

A: Given that, A manufacturing machine has a 70% defect rate.  Sample size = 119

Q: The number of cars and work vans that use the Florida Turnpike Sunpass Lanes in a day is recorded.…

A: a) The probability that the vehicle does not use the Sunpass lanes is, Probability=40508000=0.5063…

Q: a) If there are five students, determine the probability that at least two students choose the same…

A:

Q: s) Forty-nine percent of men consider themselves fans of professional baseball. Suppose that…

A: Givenp=0.49sample size(n)=25Let "x" be no.of men's consider themselves baseballs…

Q: B) what is the probability of randomly selecting a male? C) what is the probability of randomly…

A: Since you have posted multiple sub-parts, we will solve the first three sub-parts for you. To get…

Q: At a music store in New York​ City, 68 people entering the store were selected at random and were…

A: For the given data Find ​a) Determine the empirical probability that the next person entering the…

Q: A moving target at a police academy target range can be hit 78% of the time by a particular…

A:

Q: According to flight stats.com American Airlines flights from Dallas to Chicago are on Time 80% of…

A: The data on Airline flights is provided.Probability of on-time flights,  Number of selected flights,

Q: I. In 2020, 47% of Americans travelled for Thanksgiving. Suppose 8 random Americans are surveyed. a)…

A: If we have n trials each having two outcomes, say Success and Failure, trials being independent and…

Q: In a sample of 1000 public and private high school students, a student is selected at random. Find…

A: Given : In a sample of 1000 public and private high school students, a student is selected at…

Q: Given a standard 52 cards deck, What is the probability that a player is dealt 3 cards and at least…

A: From the provided information, The total cards in a standard deck = 52 Total ace cards = 4

Q: A multiple-choice examination has 20 questions, each with four possible answers, only one of which…

A: If X~Binomial(n,p), then the pmf of X is : P(X=x)=nxpx1-pn-x;x=0,1,…,n0;otherwise

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.