a) In a random sample of 16 chronically stressed patients, what is the probability the sample mean is less than 132? Would you classify this observation as an outlier? Why or why not? b) What is the probability a randomly selected chronically stressed patient has a

Q: In turning out certain toys in a manufacturing process, the average number of defectives is 10%.…

A: From the provided information, Sample size (n) = 10 The average number of defectives is 10% that is…

Q: There were 20 multiple choice questions on Exam 2. The probability of getting the right answer on…

A: Given Information: n=20p=25%=0.25To find out the probability that a student who did not study would…

Q: What is the size of the sample space when two 10-sided dice are rolled?

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Q: Find the probability of getting 2 to 5 diamonds using normal distribution.

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Q: 2. In a factory that produces pieces of ready-made concrete, if the percentage of producing…

A: Given,n=5p=0.6q=1-p=1-0.6=0.4X=no.of defective piecesX~Binomial (n=5 , p=0.6)P(X=x)=nx px qn-x    ;…

Q: What is the probability that the sampling error would be less than or more than 1.5 seconds

A: Given:mean µ = 30standard deviation σ= 2sample size n = 16 Let x̄ represent the sample mean time,…

Q: Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly…

A: Given that :   No(Did not lie) Yes (Lie) Total Positive test results 15 46 61 Negative test…

Q: in a simple random sample of 25 companies, 23 have both twitter and facebook accounts. can we…

A:

Q: what is a composite outcome rate in statistics?

A: Solution Composite outcomes, in which multiple end points are combined, are frequently used as…

Q: There are 74 players who play a chess game against the Computer. Each player plays 12 times and the…

A: From the given information we find the solution.

Q: A recent survey reported that 47​% of​ 18- to​ 29-year-olds in a certain country own tablets. Use…

A: According to the given information,Probability of success, p = 47% = 0.47Number of trials, n = 6Let…

Q: 20% of men in a certain community are more than 6 ft tall. An anthropologist samples 5 men from a…

A: The binomial dist. is a discrete prob. dist.

Q: 9. How does sampling with replacement affect probability?

A: Significance of simple random sample without replacement (SRSWOR) and simple random sample with…

Q: A traffic light is set to switch from red to green according to a uniform distribution with a mean…

A: The cumulative density function for uniform distribution is  F(X)=x-ab-a The mean of uniform…

Q: A random sample of 250 undergraduate students from a large university was found to contain 67…

A:

Q: each score in a random sampling distribution represents what

A: We have given that  We have to define each score in a random sampling distribution :

Q: the probability that the sample mean cost for these 36 schools is a) Less than $30,000. b) Greater…

A: Let X denote the cost for four-year instruction. Given that mean = 32698 and SD = 3400 Sample size…

Q: A true experiment requires that individuals be placed in conditions using assignment. random matched…

A:

Q: 20% of produced airbags over 10 years are defective. a. what is the sampling distribution of the…

A:

Q: Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly…

A: GivenNo.of Positive test results=Did not lied + Lied=13+41=54No.of Negative test results=Did not…

Q: If a condition has a 30% prevalence, what is the expected number of cases in a random sample of 200?

A:

Q: 5) A test consists of 40 multiple-choice questions. Each question has four possible answers, one of…

A: Given information Number of questions n = 40 Probability of correct answer p = ¼ = 0.25 Mean µ = np…

Q: In an experiment with 49 degrees of freedom, value was found to be 62-7. What is the chance that in…

A:

Q: Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly​…

A: Concept of probability: Probability deals with the likelihood of occurrence of a given event. The…

Q: The overall defect rate in making an electronic device is also 5%. What is the probability that more…

A: Given information: Let X be the number of defects detected in an electronic device. Then X is a…

Q: A recent survey reported that 50​% of​ 18- to​ 29-year-olds in a certain country own tablets. What…

A:

Q: What is the probability of observing a z score greater than 3?

A: From the provided information, The z score is greater than 3. That is P (z > 3)

Q: Now that weddings can be held again you end up being invited to one and you decide to observe the…

A: Given: P( dance track) = =0.2 P( pop song) = 0.3 P( rock song)= 0.15 P( hip hop song) = 0.35  All…

Q: The manager at Round Table Pizza Parlor claims that the number of pizzas sold each day is not the…

A: Introduction: Denote pSun, pMon, pTue, pWed, pThu, pFri, and pSat as the true proportions of pizzas…

Q: Qi: (copy paste answers will be marked as zero ) 1. How many classes are recommended in a histogram…

A: Introduction - Histogram - A histogram is a graphical representation that organizes a group of data…

Q: A survey for brand recognition is done and it is determined that 45% of consumers have heard of Dull…

A: Given that the percentage of consumers who have heard of dull computer companies is 45%The number of…

Q: 9. During an independent research, 2500 randomly selected people were interviewed whether they visit…

A: Given The data is as follows:Sample size, n=2500 Sample proportion, p=0.7

Q: The probability that an individual is left-handed is 0.20. Let the random variable X be the number…

A: Given, probability that an individual is left handed is, p = 0.20 n = 20

Q: Given a normal population with mean = 39 and variance = 16, what is the probability of obtaining an…

A:

Q: A random sample of Montreal students in 1996 included 210 students who intended to live in Montreal…

A: Given Data: p^=252252+148=0.63n=400   Null and Alternate Hypothesis: H0: p=0.6 H1: p≠0.6

Q: About 78% of all female heart transplant patients will survie for at least 3 years. Sixty female…

A: From the provided information, Population proportion (p) = 0.78 Sample size (n) = 60

Q: Rahim & Maria Sdn Bhd collected a sample of 1000 consumers to try a newly developed frozen fish…

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

Q: what is the distribution of sample means exactly?

A: Sample is basically a group of entity which is taken from a large population. Generally analyzing a…

Q: What is the difference between a probability sample and a nonprobability sample? Which type is…

A: What is the difference between a probability sample and a nonprobability sample? Which type is…

Q: 5 unbiased coins are tossed simultaneously and the occurrence of a head is termed as a success.…

A:

Q: Can 19.822 be the probability of an outcome in a sample space? yes no

A: as we know for valid probability distribution, For each outcome  x, 0≤P(x)≤1 The sum of the…

Q: A recent survey reported that 47​% of​ 18- to​ 29-year-olds in a certain country own tablets. What…

A: Probability that 18-to-29 year olds in a certain country own tablets(p)=0.47sample size(n)=6Let "x"…

Q: Electric motors are manufactured by a corporation. An electric motor has a 0.02 chance of becoming…

A: X: number of faulty electric motor X has binomial distribution. X~B(n,p) n=300 and p=0.02…

Q: gg. Assume that those outcomes are equally likely. Construct describes the sampling the sample…

A: The question is about sampling distribution Given : Sample space when two births are selected…

Q: A fair die is rolled n = 25 times, and the outcome (1, 2, 3, 4, 5, or 6) recorded.  Review the…

A: Requirements for a binomial distridution:1)The number of observations n is fixed.2)Each observation…