Foot size of 10 inch or above is defined as big size. It is found that 16% of Ontario men are with big foot size. A random sample of 131 Ontario men are selected. What is the probability that more than 24% in the sample are with big foot size?

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

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Q: A single fair die Is rolled 10 times. Find the probability distribution of the random variable…

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Q: According to the National Center for Education Statistics, 17% of all people in the United States,…

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Q: Delta Airlines' flights from Chicago to Seattle are on time 66% of the time. Suppose eight flights…

A: Given data: p = 0.66 Sample size (n) = 08

Q: What is the probability that fewer than three adults from this sample were between 25 and 34 years​…

A: Given that

Q: Forty percent of students at small colleges have brought their own personal computers to campus. A…

A: Given data: P = 0.40 Sample size (n) = 120

Q: the sample space for tossing  three fair coins is [HHH,HHT,HTH,HTT,THH,THT,TTH,TTT]. what's the…

A: 3 fair coins are tossed.  The sample space S={HHH,HHT,HTH,HTT,THH,THT,TTH,TTT}

Q: There are 225 dogs that participated at the National Dog Show that weigh an average of 5 kilos, with…

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Q: There are 10.000 products packed on a pallet in which contains 100 faulty products. A Quality…

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Q: wo balls are drawn in succession without replacement from an urn containing 5 white balls and 6…

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Q: A study of the time spent shopping in a particular supermarket showed an approximately uniform…

A: The question is about uniform distribution Introduction : Let X is a continuous r.v which follows…

Q: In a recent year, about 35% of all infants born in a country were conceived through in-vitro…

A: From the given information, the percent of all infants born in a country were conceived through…

Q: What is the probability that a randomly chosen child has a height of more than 73.7 inches?

A: Let X denote the heights of child. Given that X follows N(mean = 56.5, SD = 7.8), then  Z = (X -…

Q: The average monthly grocery bill for an individual is normally distributed with a mean of $85 and a…

A: Solution: Let X be the average monthly grocery bill for an individual is normally distributed with…

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. What is the probability that there will be 16 accidents on the Dhaka Tangail highway in the next…

A: Let X=number of occurrence of a particular event in an interval of time of space. It is given that…

Q: 9. One sixth of all people prescribed a medication do not take the medicine. What are the odds a…

A: Question 1: Odds of Not Taking the MedicationGiven:- One sixth of all people prescribed a medication…

Q: An error that occurs because of chance is called: nonsampling error. O sampling error. O probability…

A: An error that occurs because of chance is called as....

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

Q: Overweight normal weight high cholesterol 324 368 low cholestere | 450 890

A: High cholesterol Low cholesterol Over weight 324450Normal weight 368890

Q: The mean number of defective units in a large assembly line is 4.3 units per day . Find the…

A: It is given that, The mean number of defective units in a large assembly line is 4.3 units per day.…

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

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Q: What is the chance that a randomly selected lamp is defective? O .01475 O .045 O .015 not enough…

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Q: Find the indicated probability. The CDC estimates that 75% of children between 6 and 23 months old…

A: Let p be the probability who received flu vaccine. n=number of children=7 X be the number of…

Q: It was reported that 29% of car crash deaths in Maine were alcohol-related.…

A: Obtain the probability that at most 14 were alcohol-related.   The probability that at most 14 were…

Q: E(7) = (to 1 decimal) (to 4 decimals) = 20

A:

Q: The mean number of car sold by Beachcomber LTD per day is 3.What is the probability that in any…

A: Formula , P ( X = x ) = e-λ λx / x!

Q: Testing men and womens views on what age is ideal to get married. Sample: men=25 women=26. Asked…

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Q: 9. Sixty percent of all road accidents are due to distracted driving. In a random sample of 400…

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Q: 4. 66% of Americans support death penalty (Gallup, 2004). Seven people are randomly selected. Let…

A: In question, Given that 66% Americans support death penalty and seven people randomly selected. And…

Q: The mattress company Amerisleep recently conducted a survey and concluded that more than half of all…

A:

Q: On an average, 3.3 accidents occur on the Dhaka Tangail highway per day. a. What is the probability…

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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: 9. To investigate how often families eat at home, a researcher surveyed 100 adults living with…

A: No. of meals eaten at home per week (x) frequency 0 25 1 30 2 25 ≥3 20 total n = 10

Q: On an average, 5.4 accidents occur on the Dhaka Tangail highway per day. a. What is the probability…

A: The average number of accident per day are 5.4.

Q: Value of X 0 Probability 0.59 1 0.11 2 0.09 3 4 0.07 5 0.02

A: From the provided information,The probability distribution is as follow:Value of…

Q: 18. Stress at work: In a poll conducted by the General Social Survey, 81% of respondents said that…

A: Given:n = 200,p = 0.81

Q: An animal is chosen at random which is spay/neutered, what is the probability that this animal is a…

A: It is given as the survey data in a table form.The total number of animals = 117

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.