At a car rental agency, 0.42 of the cars are returned on time. A sample of 13 car rentals is studied. What is the probability that more than 3 of them are returned on time? Write only a number as your answer. Round to 2 decimal places (for example 0.24). Do not write as a percentage.

Q: In a commissioned research, the inter-collegiate swim meets management found out that an estimated…

A: GivenThe percentage of swimmers competing use performance enhancing drugs = 3% The accuracy of the…

Q: (d) What is the probability that a random sample of 50 students spends an average of $1450 to $1600…

A: 73. D Let x¯ is defined as the average on-campus housing cost for a semester at university which…

Q: A medical study tests a new cough medicine on 4250 people. It is effective for 3982 people. What is…

A: Based on the provided information, the known values are: Number of success=3982 people. Number of…

Q: A university administrator expects that 25% of students in a core course will receive an A. He looks…

A:

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

A: From the provided information, Sample size (n) = 6 68% of the respondent d believe inequality is too…

Q: At Seaside Burgers, 14 of the last 20 customers wanted cheese on their burgers. What is the…

A:

Q: Teens who Prefer Hard Copy Book vs eBook Hard Copy Enjoy Both eBook 22 14 26

A:

Q: Fourteen percent of people in Western countries consider themselves lucky. If 3 people are selected…

A:

Q: Below, the two-way table is given for a class of students. Freshmen Sophomore Juniors Seniors Total…

A: Probability question

Q: A recent survey found that 70% of all adults over 50 wear glasses for driving. In a random sample of…

A: A random variable x is following the binomial distribution with the following probability mass…

Q: According to a 2009 Reader's Digest article, people throw away about 14% of what they buy at the…

A: Solution: It is given that people throw away about 14% of what they buy at the grocery store. So,…

Q: It is estimated that 25% of all California adults are college graduates and that 31% of California…

A: From the provided information, 25% of all California adults are college graduates and 31% of…

Q: . What is the probability percentage that 121 or more Americans in the survey are afraid to fly?…

A: Consider a random variable X which represents the number of Americans in the survey who are afraid…

Q: A film distribution manager calculates that 7 % of the films released are flops. If the manager is…

A: Where.

Q: e the data in the following table, which summarizes results from 15 Pedestrian Intoxicated? Yes No…

A: Solution: The given table of data is

Q: About 35% of Americans will admit that they waste time regularly at work. A poll of 100 Americans is…

A: The provided information are: Population proportion (p) = 35% = 0.35 Number of Americans that are…

Q: A town recently dismissed 8employees in order to meet their new budget reductions. The town had 6…

A:

Q: A cafe receives an average of 4 orders of Mocha Frappe every 5 minutes. What is the probability of…

A: Poisson distribution : The random variable x defines number of events that occur in an interval…

Q: Below, the two-way table is given for a class * of students. Freshmen Sophomore Juniors Seniors…

A: Solution: The given table of data is

Q: Out of a survey of 400 customers, under the assumption that 0.5 is the correct proportion, what is…

A: From the provided information, Sample size (n) = 400 Proportion (p) = 0.5

Q: What is the probability of hitting a target, if in the long run, 71 out of every 464 attempts…

A: Probability:The probability of an event A is obtained  by the formula:

Q: According to a 2009 Reader's Digest article, people throw away about 12% of what they buy at the…

A: Let X be the proportion of things throw away that people bought at the store. The population…

Q: According to a study conducted by the a public health school, a child seated in the front seat who…

A: Let the events,A: Airbag deploys during an accident,K: Child is killed.It is given that airbags…

Q: A biologist finds that 45​% of fruit flies have short wings and 50​% have eye defects. Assuming…

A: Given that A biologist finds that 45​% of fruit flies have short wings and 50​% have eye defects we…

Q: According to a 2009 Reader's Digest article, people throw away about 10% of what they buy at the…

A: Given information : Population proportion = p= 10% = 0.10 q = 1 - p    = 1 - 0.10 = 0.90 Sample size…

Q: seventy-five percent of the students graduating from high school in a small will attend college. for…

A: A.   Z-score for proportion:

Q: (a) How many percent of the tubes are classified as A Grade and B Grade respectively? (b) Find the…

A: Air ball trap, X ~ Poisson(1.5)  A grade = no air ball trapped.  B grade = 1 or 2 air balls trapped.

Q: The proportion of all customers at Pizza Hut who eat on-site is 75 percent. In a sample of 100…

A: Given that  n=100 , p=25%=0.25  , q=1-p=1-0.25=0.75 σp=√(p(1-p)/n)=√((0.25*0.75)/100)…

Q: Do you know Squidward? According to a survey by Nickelodeon TV, 90% of children under 13 in Germany…

A:

Q: An unbalanced coin is spun 150 times, and lands heads-up 102 times. What is the observed probability…

A: An unbalanced coin is spun 150 times, and lands heads-up 102 times. n(s) = 150 n(a)= 102

Q: According to a 2009 Reader's Digest article, people throw away about 11% of what they buy at the…

A: From the provided information, Mean (p) = 0.11 Sample size (n) = 90 The standard deviation can be…

Q: Below, the two-way table is given for a class of students. Freshmen Sophomore Juniors Seniors Total…

A:

Q: A recent survey found that​ 70% of all adults over 50 wear sunglasses for driving. In a random…

A: Given that in a recent survey found that​ 70% of all adults over 50 wear sunglasses for driving.…

Q: According to a survey, 10% of Americans are afraid to fly. Suppose 1100 Americans are sampled. a)…

A: Given: Let 'X' be the number of Americans afraid to fly. 10% of Americans afraid to fly. Sample size…

Q: The National Association of Realtors estimates that 23% of all homes purchased in 2004 were…

A:

Q: (a) If Tommy has missed a shot, what is the probability that he will score two shots later? (b) In…

A: a ] Here we will make transition probability matrix P : Where Row 1 is representing the…

Q: According to a study conducted by the a public health school, a child seated in the front seat who…

A:

Q: A manufacturer of cotter pins knows that 5 percent of his product is defective. If he sellseotter…

A: A binomial distribution is used when there are n number of independent trials with equal probability…

Q: According to a 2009 Reader's Digest article, people throw away about 10% of what they buy at the…

A: Given that,  n=93, p= 0.10 The mean and standard error of the sampling distribution of sampling…

Q: Below, the two-way table is given for a class of students. Freshmen Sophomore Juniors Seniors Total…

A: Given that contingency table Now using this table find required probability.

Q: Here is the probability model for the blood type of a randomly chosen person in the United St Blood…

A: Note: Please repost 2nd question as i can answer only 1 question as per my policy.   Given data,…

Q: At the Fidelity Credit Union, a mean of 7.3 customers arrive hourly at the drive-through window.…

A: Suppose X is the number of customer that arrive hourly at the drive through window can be considered…

Q: The auto parts department of an automotive dealership sends out a mean of 5.8 special orders daily.…

A: X=The number of special orders sent out X~Poissonλ=5.8   The probability mass function of Poisson…

Q: A survey revealed that 36% of people are entertained by reading books, 32% are entertained by…

A:

Q: Find the mean of the following probability distribution?

A: Here, we have given the probability distribution of x as below: x 0 1 2 3 4 P(x) 0.0666 0.1178…

Q: d) If gender does not have any effect on employment, calculate the probability that the graduate…

A: The contingency table is   Female Males Total Employed 30 10 40 Unemployed 20 40 60 Total…

Q: What is the probability of it raining, P(B), if it has started snowing? Report P(B), given that it…

A: From the given information, There is a 60% chance of snow. That is, P(A)=0.60 There is a chance of…

Q: A group of realtors estimates that 23% of all homes purchased last year were considered investment…

A:

Q: A researcher believes that 8 % of pet dogs in Europe are Labradors. If the researcher is right, what…

A: Where,

Q: (a) What is the probability that a sampled woman has four children? Round your answer to four…

A: Given data is  No.of children No.of women 0 12598 1 7467 2 11269 3 7038 4 3782 5 1820…

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.