A communications industry spokesperson appeared on a national television show and was discussing cellular phone ownership in this country. If 0.96 people in the United States own a cell phone, what is the probability that the proportion of 50 randomly selected adults who own a cell phone is at least 0.41? (gives your answer at 3 decimals places)

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: If the probability that a randomly chosen college student takes statistics is 0.16, then what is the…

A:

Q: Suppose that 30% of people own dogs. If you pick two people at random, what is the probability that…

A: Probability that people own a dog = 30% = 0.30

Q: Suppose that 21% of people own dogs. If you pick two people at random, what is the probability that…

A: According to the given information, we have Given that 21% of people own dogs. Sample size, n = 2

Q: Suppose that 69% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: Suppose that 44% of people own dogs. If you pick two people at random, what is the probability that…

A: Independent Events:   Any two events A and B are said to independent if the occurrence of the event…

Q: The Newspaper reports that among individuals in the 40 to 50 age, 45% drink coffee. If 200 people of…

A: Givenp=0.45n=200let "x" be the number of coffee…

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 of rolling a 7 or  11 with a pair of dice?  What is the probability of…

A: Let A denote the event of rolling 7and B denote the event of rolling 11So , PA=636…

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: Suppose that 40% of people own dogs. If you pick two people at random, what is the probability that…

A: Given that 40% of people own dogs.Let X be the number of people own dogs following binomial…

Q: Suppose that 67% of people own dogs. If you pick two people at random, what is the probability that…

A: From the provided information, 67% of people own dogs that is p = 0.67 Sample size (n) = 2 X~B (2,…

Q: Suppose that 49% of people own dogs. If you pick two people at random, what is the probability that…

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

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

A:

Q: Question #1: Most graduate schools of business require applicants for admission to take the Graduate…

A: Mean(μ)=527 Standard deviation(σ)=112

Q: Suppose that 60% of people own dogs. If you pick two people at random, what is the probability that…

A: We are given that 60% of the people's own dogs, if you choose a random person, the probability that…

Q: The probability that a football game will go into overtime is 11​%. What is the probability that…

A: The probability that a football game will go into overtime is 11​%. Probability = 11% = 0.11 Sample…

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

A:

Q: The probability that a house in an urban area will develop a leak is 55​%. If 22 houses are…

A: Let "X" be the houses that will develop a​ leak.

Q: Suppose that 40% of people own dogs. If you pick two people at random, what is the probability that…

A: Here, n = 2 and p = 0.4.

Q: (c) Find the probability that more than 68% of the sampled adults drink coffee daily. The…

A: The information provided in the question is as follows :-Sample size Also from the answers in part…

Q: Suppose that 68% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: It is estimated that​ 20% of luxury cars manufactured in 2012 were silver. A car dealership…

A:

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

A:

Q: There is about a 10% chance of being left- handed. If there are 25 students in a class, find the…

A:

Q: Suppose that 38% of people own dogs. If you pick two people at random, what is the probability that…

A: Let p be the probability that a person owns dog. Given that p = 0.38

Q: uppose that 57% of people own dogs. If you pick two people at random, what is the probability that…

A: Since owning a dog is independent between two people, Use the multiplication rule

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.