According to official data, the average annual expenditure on dental care in Kingston, Jamaica is at least $60,000 per person. A random sample of 125 persons showed that they spent an average of $55,000 on dental care last year with a standard deviation of $10,500. Test at the 5% significance level whether last year’s mean annual dental care expenditure per person in the parish was less than $60,000. a) find p value.

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A: Given,mean(μ)=95standard deviation(σ)=10

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A: Given,Mean μ=479Standard deviation=σ=41a)P(X<451)=PX-μσ<451-μσ    =PZ<451-47941…

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Q: According to the Institute of Medicine, the tolerable upper level of sodium intake for adults and…

A: Solution :  Given : μ = 2300 mg             n = 14             x¯ = 2310              s = 38 mg…

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A:

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A: Given n1=n2=35 S1=53 S2=34 X1-bar=260 X2-bar=269

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A: Given : For Departing passengers : Sample Mean 1 (Xˉ1)(\bar X_1) = 260 Sample Standard Deviation 1…

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A: Note: Thank you for the question. Since it is not mentioned the standard deviation is population…

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A: Given that sample size n = 15 Sample mean = 31080 Sample SD = 400 Level of significance = 0.01

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Q: According to a report by the U.S. Fish and Wildlife Service, the mean length of six-year-old rainbow…

A: Let X denotes the lengths. X is normally distributed. Given that μ=479, σ=41.

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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.