Paragraphd to goA manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.5 years,and standard deviation of 2.7 years.WStylesXIf iter are picked at random, 4% of the time their mean life will be less than how many years? (Giveanswer to 1 decimal place)***DELLSelectEditingI-Display Setti

Let X : the lifespan X~N(μ,σ)where mean(μ) =8.5 years s.d.(σ)=2.7 yearsand sample…

Answered: A manufacturer knows that their items…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Similar questions

The average age of senators in the 108th Congress was 62 years. If the standard deviation was 12.5 years, find the z-scores corresponding to the oldest and youngest senators of age 86 and 46. Round z scores to two decimal places.
A particular fruit's weights are normally distributed, with a mean of 442 grams and a standard deviation of 35 grams. If you pick 9 fruits at random, then 10% of the time, their mean weight will be greater than how many grams? Give your answer to the nearest gram.
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A particular fruit's weights are normally distributed, with a mean of 271 grams and a standard deviation of 28 grams.If you pick 3 fruits at random, then 7% of the time, their mean weight will be greater than how many grams?Give your answer to the nearest gram.
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 10.2 years, and standard deviation of 3.3 years.The 7% of items with the shortest lifespan will last less than how many years?Give your answer to one decimal place.
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A successful basketball player has a height of 6 feet 11 inches, or 211 cm. Based on statistics from a data set, his height converts to the z score of 5.17. How many standard deviations is his height above the mean?
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The NJ Department of Health has reported the average life span of NJ residents is 81 years. If the standard deviation is σ = 4 years, what is the probability of a person living to at least 92 years of age?

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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.5 years, and standard deviation of 2.7 years. If 14 items are picked at random, 4% of the time their mean life will be less than how many years? (Give answer to 1 decimal place)