What is the probability that the battery will fail

Assignment Help Basic Statistics
Reference no: EM13916987

Tests on a certain battery have determined that the mean (average) time until failure is 40 hours. Assume that the time T until failure of the battery is exponentially distributed. Show all work

What is the probability that the battery will fail within 40 hours?

What is the probability that the battery will still be working after 80 hours?

Reference no: EM13916987

Questions Cloud

Two trains of equal length are running on parallel lines : Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. If the faster train passes the slower train in 36 seconds,what is the length of each train?
Candidates online network for background information : Contacting people in a job candidate's online network for background information ________
Non-recursive function vowels : Write a recursive function rvowels() that accepts a character string and counts and returns the number of vowels (aeiou) in the string. This solution should not include any loops. A global variable for the counter is acceptable. (Hint: one possibl..
A jogger is running at 9 kmph alongside a railway track : A jogger is running at 9 kmph alongside a railway track in 240 meters ahead of the engine of a 120 meters long train . The train is running at 45 kmph in the same direction. how much time does it take for the train to pass the jogger?
What is the probability that the battery will fail : Tests on a certain battery have determined that the mean (average) time until failure is 40 hours. Assume that the time T until failure of the battery is exponentially distributed. What is the probability that the battery will fail within 40 hours
What time will it take to pass a platform of 140 m long : A train 360 m long runs with a speed of 45 km/hr. What time will it take to pass a platform of 140 m long?
Cryptographic basis of the enigma machine : A 2,000-bit message is used to generate a 256-bit hash. One the average, how many other messages could be expected to generate the same hash value? What does this tell us about the length of a hash as compared to the length of the message?
How many 3-letter words with or without meaning : How many 3-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed?
What is the probability that a randomly chosen student : It is estimated that the number of text messages sent daily by a high school student is normally distributed with a mean of 200 and a population standard deviation of 50. What is the probability that a randomly chosen student sent less than 210 te..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Numeric measurement data

What type of research uses numeric measurement data? What type of research uses a research hypothesis?

  Find a confidence interval for the population mean number

How many more observations are necessary for the efficiency expert to be 95% sure that the point estimate x¯ will be in error from the true mean p by at most 15 seconds and find a 75% confidence interval for the population mean number of cars per su..

  Although studies continue to show smoking leads to

although studies continue to show smoking leads to significant health problems 20 of adults in the united states smoke.

  Five step hypothesis testing-black angus

The management at Black Angus is considering hiring 8 additional servers. Currently 12 servers are serving 4 tables each per hour. Servers make $11.25 on overtime per hour.

  Multiple regression analysis-tests and hypothesis

How can I conduct statistic experimental design for three independent variable (time, amount, temperature) are useful to predict Y? Please include any approach steps and How can I interpreted?

  What is the cumulative distribution function of x compute

a manufacturing process molds 5 units at a time. suppose x be the number of defective units and has the following

  A manufacturing company wants to investigate the product

a manufacturing company wants to investigate the product coming out of two machines has a similar diameter or not. it

  Hypothesis test-critical value

Suppose that a company claims that their mean weekly sales are $12,250. A random sample 35 weeks yields a sample mean of with a sample standard deviation of s=$1250.

  Testing significance of correlation coefficient-least square

Also use the regression model to predict a student's average if he/she misses 4 classes.

  The results from two factor experiment can presented in a

the results from two factor experiment can presented in a matrix with levels if one factor forming the rows and the

  Discuss the effecct that sample size has on hypothesis

online magazines make it easy for reasers to link to an advertisers website directly from an advertisement placed in

  Groups differed with respect to the prpportion of workers

Workers in 2 different mine groups were asked what they considered to be the most important labour-management problem. In Group A,

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd