c. What length warranty should be established on the dishwashers so that no morethan 1.7% of the units will need to be replaced under warranty?0.00 years Eplaces.x=Round to 2 decimalF8aF9areF10SUBMIT QUESTIONF11F12Scr LkSAVE PROGRESSPrtScSysRqPauseBreakInsertSU The average lifespan of a CleanFreek dishwasher is normally distributed with a mean of9 years and a standard deviation of 1.7 years.Standard Normal Distribution Tablea. What is the probability that a CleanFreek dishwasher will last longer than 12 years?P(X> 12) =0Eb. What is the probability that a CleanFreek dishwasher will last fewer than 7 years?P(X< 7) =k0SUBMIT QUESTIONSAVE PROGRESSSUBMITENGUS

given data normal distributionμ = 9σ= 1.7

Answered: The average lifespan of a CleanFreek…

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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PLS ANSWER
Lengths of human pregnancies have a bell-shaped distribution with mean 266 days and standard deviation 16 days. Based on the graph that is labeled through the use of the Empirical Rule, what percentage of human pregnancies last less than 234 days and what percentage of human pregnancies last more than 282 days?
Blood Pressure For women aged 18-24, systolic blood pressures (in mm Hg) are normally distributed with a mean of 114.8 and a standard deviation of 13.1 (based on data from the National Health Survey) a. If a woman between the ages of 18 and 24 is randomly selected, find the probability that her systolic blood pressure is above 120. b. If 12 women in that age bracket are randomly selected, find the probability that their mean systolic blood pressure is greater than 120. c. Given that part (b) involves a sample size that is not larger than 30, why can the central limit theorem be used?
A smartphone manufacturer knows that their phone battery's have a normally distributed lifespan, with a mean of 2 years, and standard deviation of 0.5 years. If you randomly purchase one phone, what is the probability the battery will last longer than 1 years? Round answer to three decimal places
Runs scored in T20 matches in IPL follows normal distribution with mean of 187 runs and standard deviation of 22 runs per innings.a. What is the probability that more than 243 runs will be scored in an innings?b. What is the probability that less than 154 runs will be scored?
Use the Central Limit Theorem to find the probability of the indicated event, assuming that the distribution of the population data is unknown. The amount of time students spend checking their phones during a lecture period has a mean of 9 minutes and standard deviation of 2 minutes. What is the probability that a sample of 30 students will spend an average of at most 9.7 minutes checking their phones during a lecture period? Standard Normal Distribution Table P( X̄ < 9.7)=__
Systolic blood pressure readings are normally distributed with a mean of 121 and standard deviation of 15. If a person from the population was selected at random, find the probability that their blood pressure is in the acceptable range (between 114 and 140) for an athletic activity. A. Label and shade the normal distribution curve to model this problem.
Scores on an endurance test for cardiac patients are normally distributed with mean of 185 and standard deviation of 30. a.What is the probability a patient will score above 192? b.What score does a patient at the 80th percentile receive?
population mean = 1.00 populaton standard deviation = 2.45 X = 1.43 N = 18 What is the probability (z score) for this value of X? .4325 .4286 .4247 .05
Vehicle speed on a particular bridge in China can be modeled as normally distributed. USE SALT (a) If 5% of all vehicles travel less than 39.13 m/h and 10% travel more than 73.25 m/h, what are the mean and standard deviation of vehicle speed? (Round your answers to three decimal places.) mean 194.55 standard deviation 94.78 X X (b) What is the probability that a randomly selected vehicle's speed is between 50 and 65 m/h? (Round your answer to four decimal places.) 0.6576 X (c) What is the probability that a randomly selected vehicle's speed exceeds the speed limit of 70 m/h? (Round your answer to four decimal places.) You may need to use the appropriate table in the Appendix of Tables to answer this question.
Scores on an employment test follow a normal distribution with a mean of 188 and a standard deviation of 47. If we select an individual at random, what is the probability that his/her score on this test will be equal to or less than 259? (Provide your answer as a number between 0 and 1, rounded to 4 decimals).

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