A recent survey of 1070 U.S. adults selected at random showed that 629consider the occupation of firefighter to have very great prestige. Estimate the probability (to the nearest hundredth) that a U.S. adult selected at random thinks the occupation of firefighter has very great prestige. (Enter a number.)

Q: Find the probability that more than 33% of the freshmen in the sample of 140 are planning to major…

A: Solution-: Given: n=85,p=0.26 We find, (1 of 6) Check conditions for use normal approximation ( 2 of…

Q: The quality of computer disks is measured by the number of missing pulses. For a certain brand of…

A:

Q: In a large population, 59% of the people have been vaccinated. If 5 people are randomly selected,…

A:

Q: According to a survey, 70% of adults believe that every university student should take at least one…

A: a) Given information: p=70%=0.70 n=sample size=14 Let X be the number of adults hold to view follows…

Q: The die is constructed so that even numbers are twice as likely to occur as the odd number. This die…

A: Probability is simply defined as the ratio of favorable outcomes (s) to the total number of possible…

Q: Find the probability that one large bottle selected at random will contain more than the combined…

A: Given :                            For small bottles Mean(μ)=338,standard deviation σ=3…

Q: Suppose that 46% of people own dogs. If you pick two people at random, what is the probability that…

A: Given information: Percentage of people who own dogs p=46% Number of people picked at random n=2

Q: A recent survey of 1050 U.S. adults selected at random showed that 625 consider the occupation of…

A: Out of 1050 randomly selected US adults, 625 consider the occupation of firefighter to to have very…

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

A:

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

A:

Q: Suppose that 20% of people own dogs. If you pick two people at random, what is the probability that…

A: The probability that they both own a dog is obtained below: From the given information, people own…

Q: In a film industry, the chance of a movie becoming a blockbuster is 90%. a. Among the first 5 movies…

A: Giventhe chance of a movie becoming a block busster is 90%p=90%=0.90Let "x" be the number movies…

Q: There are 3000 IC chips on a 12-inch silicon wafer. It is known that the probability that the chips…

A: As per bartleby guidelines for more than one questions asked only first should be answered. Please…

Q: 7 Of

A: Probability rule varies depending whether an event is mutually exclusive or non mutually exclusive.

Q: Suppose that 18% of people that enter a car dealership buy a car that day from that dealer. What is…

A: According to central limit theorem, the sampling distribution of sample proportion follows the…

Q: A recent survey found that the probability that a student is doing a BCom degree is 0.85. The same…

A: Concept of conditional probability: For any two events A and B with P(A) >0, the formula for…

Q: Of 2274 people who came into a bank to do business, 280 people made a deposit. Estimate the…

A: It is given that the number of people made a deposit is 280 and the total number of people who came…

Q: In a large population, 57 % of the people have been vaccinated. If 3 people are randomly selected,…

A: It is given that 57% of the people have been vaccinated. A sample of 3 is considered. At least one…

Q: In a survey, 63% of Americans said they own an answering machine. If 17 Americans are selected at…

A: Hence, it follows binomial distribution.

Q: A recent survey found that the probability that a student at a particular educational institution is…

A: Solution: From the given information,

Q: A survey revealed that 84.4% of front-end enggineers like outdoor activities. IT randomly selected…

A: Given n = 5 and p =0.844 The distribution follows a Binomial distribution; Bin (n, p) : B (5, 0.844)…

Q: The probability that an individual is left-handed is 0.140. In a class of 15 students, what is the…

A: Here, n = 15 and p = 0.140.

Q: A recent study by Allstate Insurance Co. finds that 78% of teenagers have used cell phones while…

A:

Q: A phone company reports that 52 % of its customers subscribe to their high-speed internet service.…

A:

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: In a survey of college​ students, 808 said that they have cheated on an exam and 1770 said that they…

A: Given that in a survey of college​ students, 808 said that they have cheated on an exam and 1770…

Q: A recent survey of 1010 U.S. adults selected at random showed that 685 consider the occupation of…

A: We have to find given probability that a U.S. adult selected at random thinks the occupation of…

Q: An airline estimates that 6% of people booked on their flights do not show up. If the airline books…

A: Let X be the random variable from binomial distribution with probability of will not show up (q)= 6%…

Q: A recent survey of 1070 U.S. adults selected at random showed that 661 consider the occupation of…

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

Q: In a large population, 56 % of the people have been vaccinated. If 3 people are randomly selected,…

A: P(vaccinated) =p = 0.56 P(not vaccinated) = 1-0.56 = 0.44

Q: A 200-page book was opened randomly. What is the probability that you opened to page 52 or a page…

A: Given :                      Number of ways choosing a page from 200 pages = 200

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: In a recent survey conducted by the International Nanny Association, 4,176 nannies were placed in a…

A: Yes, it is appropriate to divide 24 by 4,176.

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

A:

Q: A six-sided die is rolled twelve times. What is the probability that the die will show an even…

A: Let p be the probability of getting an even number. Then p = 3/6 = 0.5 Let X denote the number of…

Q: In a large population, 67 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Let us denote X=the number of people who have been vaccinated n=sample size= 4 p=probability of…

Q: A recent survey of 1010 U.S. adults selected at random showed that 649 consider the occupation of…

A: General formula of probability is,  Probability = Number of favorable outcomesTotal outcomes

Q: A recent survey showed that 71 full-time employees out of a sample of 500 did not use all of their…

A: Total number of employees = 500 Number of employees who did not use all of their vacation days last…

Q: If the probability that a randomly selected 24-year-old male survives the year is 0.9985, explain…

A:

Q: According to the U.S. Census Bureau, the probability that a randomly selected worker primarily…

A: Given, the probability that a randomly selected worker drives car to work is 0.832.

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 6. Find the…

A: Given : The average number of field mice per acre in a 5-acre wheat field is estimated to be 6.…

Q: Calculate the probability that the wire selected to be used in the project is not made from copper.…

A: The data is given by   10 12 14 Total Copper 0.12 0.09 0.11 0.32 Iron 0.05 0.15 0.10 0.30…

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: The proportion of people with blood type O in the population is 0.48. Determine the probability that…

A:

Q: Suppose that a policeman with a radar gun is watching traffic pass on a street where it is the case…

A: Instruction : Use the website www.stattrek.org to calculate probability.    A policeman with a radar…

Q: Suppose it has been determined that the probability is 0.8 that a rat injected with cancerous cells…

A: Suppose it has been determined that the probability that a rat injected with cancerous cells will…

Q: In a film industry, the chance of a movie becoming a blockbuster is 90%. a. Among the first 5 movies…

A: A random variable x will follow the binomial distribution if the following conditions are satisfied.…

Q: In a large population, 56% of the people have been vaccinated. If 5 people are randomly selected,…

A:

Q: A recent survey of 1090 U.S. adults selected at random showed that 689 consider the occupation of…

A: If there are n mutually exclusive, exhaustive and equally likely outcomes of a random experiment and…

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.