The weight of all cans of coffee has a standard deviation of 0.39 ounces. A sample of 14 cans of coffee is taken for studylng their weights, Which of the following best describes the distribution of x? A. The distribution bf x is not nommal because the ponu

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A: From the provided information, Mean (µ) = 60 Standard deviation (σ) = 14

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Q: Convert Carl's height to a z score. The z score is. (Type an integer or decimal rounded to two…

A: X~N( μ , ?)μ=177 , ?=7   , x=199Z-score =( x - μ )/?

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A: From the given information: Age Girl reaction time Boy reaction time 8 5 47 9 5 46 10 48 44…

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A: X¯ ~ N(μx¯ , σx¯) μx¯=μ=142 σx¯=σn=1349=1.86 N = Normal distribution

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A: μ=210σ=40130=210-240290=210-240∴k=2

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A: Assume that μ is the population average lifetime of light bulb.

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A: Hi! Thank you for the question. As per the honor code, we are allowed to answer three sub-parts at a…

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A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

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A: Given that,  μ=110,σ=15 (a) The percentile rank is equal to 100×P(X<140) The value of P(X<140)…

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A: The given question requires accurate answers, hence I will use excel to solve this question.…

Q: Exam 1 scores have a mean of 500and a standard deviation of 110​, while exam 2 scores have a mean of…

A: Given: For exam 1: mean = 500                    standard deviation = 110 For exam 2: mean = 20…