One thousand (1000) elderly males and 2500 elderly females were randomly selected for a dementia survey in Trinidad and Tobago in 2014. This survey is the first of its kind for Trinidad and Tobago. The number of elderly males diagnosed with dementia in the survey is 210 and the number of elderly females diagnosed with dementia in the survey is 625. State the estimator you would use to estimate the difference in the population proportion of

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A: It is given that n =89 and p =0.33.

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A: The normal distribution:A continuous random variable X is said to follow normal distribution with…

Q: Based on historical data, your manager believes that 33% of the company's orders come from…

A: Given p = 0.33, n = 219 Mean, μ =np = 219 x 0.33 = 72.27 Standard deviation, σ= npq = 219×0.33×0.67…

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A: Given In a communication channel, data is sent in 10-bit packets. The percentage of a bit sent with…

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

Q: The probability of a radar station detecting an enemy plane is 0.55. If 60 stations are in use, what…

A: The binomial distribution is given by,   P(X=x) = Cxn . px . qn-x ; x = 0, 1, 2, ....…

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A: Given: n= Sample size =52p= Probability of population proportion of orders from first time…

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A:

Q: #02.  The top web browser in 2015 was Chrome with 51.74% of the market. In a random sample of 250…

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A:

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A: Recall the following fact.

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A: It is given that ,just before a referendum on a school​ budget, a local newspaper polls 424 voters…

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Q: You have conducted a series of experiments to reduce the proportion of scrapped battery cells to 1%…

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A:

Q: Based on historical data, your manager believes that 39% of the company's orders come from…

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Q: higher, person is 21 years What Blood Alcohol Concentration corresponds to a 17% risk of a car…

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Q: Just before a referendum on a school​ budget, a local newspaper polls 356 voters to predict whether…

A: We are given,

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

A: Here Given  Avg number of cars sold =3 Here we can Use poission distribution

Q: cording to the Center for Disease Control (CDC), the percentage of boys who are diagnosed with…

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A: Solution: Let X be the random variable that the number of radar station detecting an enemy plane.…

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.