Suppose that the useful life of a particular car battery, measured in months, decays with parameter 0.02. We are interested in the life of the battery. Find the probability that a car battery lasts more than 38 months. (Round your answer to four decimal places.) 70% of the batteries last at least how long? (Round your answer to two decimal places.)

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A: The margin of error is given to be 13 minutes converting to hours 13/ 60 = 0.2167

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A: Given:-                    With the ever-present threat of droughts throughout the State, the New…

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A: (a) The given degrees of freedom is 16.

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A: It is given that  Mean, μ = 80 Standard deviation, σ = 8 Z-Score, Z = ( X - μ )/σ

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A: Given n=13 t=2.78

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A: Solution: Given information: n1= 145x1=33p^1=x1n1=33145=0.23n2=114x2=12p^2=x2n2=12114=0.105

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A:

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A: Given: n = 1000 X = 774 p = 0.75 Formula Used: Test-statistic Z = p^-pp(1-p)n

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A: Note- Since you have posted multiple questions, as per our guidelines we are supposed to answer only…

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A:

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A: Given that,  Sample size= 31 Sample variance= 16

Q: What is 10% of 21

A: The bill amount comes to $21 plus 10% tax.

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A: 16) In this case, we need to identify a suitable answer for the given statement.

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A:

Q: How do you get 0.3413 from in part b of the question?

A: The mean is 50 and the standard deviation is 5.

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A: Solution: Given information: n=39 Sample size x=26 successes  p= 0.533 Population proportion.

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A: Given that: t- distribution

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A: given data clim : p =0.1n = 393x = 30α = 0.05p^ = xn = 30393 = 0.0763

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A: Given n=11 Standard deviation=0.32 Variance=0.18

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A: Note- Giving solution for question 39.   We know that- Regression analysis- The most common form of…

Q: ording to a study done by De Anza students, the height for Asian adult males is normally distributed…

A: GIVEN DATA, normal distribution μ=66σ=2.5X = height of the individual.p(64&lt;X&lt;69)=?

Q: ACT Scores A survey of 1000 students nationwide showed a mean ACT score of 21.4. A survey of 500…

A: given data nationwidex¯1  = 21.4σ1 = 3n1 = 1000texasx¯2  = 21.3σ2 = 3n2 = 500α = 0.05claim : μ1 &gt;…

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A: Given  Population mean μ=64230, standard deviations σ=3643  n=75

Q: QUESTION 14 An important application of the chi-square distribution is a. making inferences about a…

A: Note: According to Bartleby guidelines expert solve only one question and rest can be reposted.