ACME Fruit Distributing knows that for the last four years, the mean (or average) time it takes a particular truck to make its rounds has been 6.32 hours with standard deviation 0.41 hours. (a) Suppose you plan to observe this truck 40 times. What is the approximate distribution of the random sample mean time? Also specify its parameters.

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A: We have to test claim.

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A: Given that.   X~N( μ , ?^2 )   μ=40.1  , ?=8.3  , n=103   Z-score =( x - μ )/?

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A: Given, Mean=50 Standard deviation= 5 x1= 61 x2= 54

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A: Given  sample size        =  275 sample average  =  11.8 sample SD    s     =  4.3

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A: Given that  Sample size n =13 Sample mean =39.4 Standard deviation =6.4

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A: Note: According to our guidelines we can answer only three subparts and rest can be repost.

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A: From the provided information, The degree of freedom = n1 + n2 – 2 = 70 + 50 – 2 = 118 As, the…

Q: A pizza delivery chain advertises that it will deliver your pizza in 35 minutes from when the order…

A: Given that  Sample size n =13 Sample mean =39.4 Standard deviation =6.4

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A: Here, µ=18, σ=6, and n=2.

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A: Given,mean(μ)=31.28standard deviation(σ)=11.42sample size(n)=10

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A: Given: μ=5σ=4

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A: Given H0 : μ = 3 H1 : μ > 3 α  = 0.05 x̅ = 3.25, σ = 1 and n = 50

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.