The lifetime of a semiconductor laser has a lognormal

Assignment Help Basic Statistics
Reference no: EM13607814

The lifetime of a semiconductor laser has a lognormal distribution, and it is known that the mean and standard deviation of lifetime are 10000 and 20000, respectively.

A. Calculate Theta and w(omega):

B. Determine the probability that a lifetime exceeds 10100 hours.

C. Determine the lifetime that is exceeded by 90% of lasers

Reference no: EM13607814

Questions Cloud

Determine the magnitude of the particles displacement from : a particle is traveling with a velocity of v 3sqrtte-0.2ti 4e-0.8t2j ms where t is in seconds. determine the magnitude
Determine a the pump work wk per kilogram of steam b the : steam having a specific enthalpy of 160 kjkg and pressure of 1 kpa enters as adiabatic pump. upon leaving the pump the
Calculate the flow energy per pound-mass enthalpy and : calculate the flow energy per pound-mass enthalpy and total enthalpy. two kilograms of ammonia at 200kpa .755 m3kg and
The following probability distribution represents the : the following probability distribution represents the number of people living in a household x and the probability of
The lifetime of a semiconductor laser has a lognormal : the lifetime of a semiconductor laser has a lognormal distribution and it is known that the mean and standard deviation
The weights of ripe watermelons grown at mr smiths farm : the weights of ripe watermelons grown at mr. smiths farm are normally distributed with a standard deviation of 2.7 lb.
Refridgerant 410a is initially at 120 f and quality of 30 : refridgerant 410a is initially at 120 f and quality of 30. it undergoes a constant-pressure process. the final state is
Determine a the tractive force exerted by each locomotive : two 455000-lb locomotives pull 58 230000-lb coal hoppers cars. the train starts from rest and accelerates uniformly to
The number of customers entering a store on a given day is : the number of customers entering a store on a given day is poisson distribution with mean lambda 10. the amount of

Reviews

Write a Review

Basic Statistics Questions & Answers

  Compute probability to win at least one prize

A person has purchased 5 of 1,000 tickets sold in a certain raffle. To determine the 10 prizewinners, 10 tickets are drawn at random and without replacement. compute the probability that he wins at least one prize.

  Find the probability that all five products are defective

The products are acceptable and that 30% are defective. If five of the products are randomly selected, find the probability that all five are defective?

  The mean score on a physical fitness test for division i

the mean score on a physical fitness test for division i student-athletes is 947 with a standard deviation of 205. if

  Determining z-test for proportions

A particular candidate claims she has the support of at least 60% of the voters in her district. A random sample of 150 voters yields 87 who support her.

  Stocks-risk and expected returns

Stock A has an expected return of 12% and a standard deviation of 40%. Stock B has an expected return of 18% and a standard deviation of 60%. The correlation coefficient between Stocks A and B is 0.2.

  Find probability that mouse will live thirty two months

Find the probability that a given mouse will live. a. more than 32 months b. less than 28 months c. between 37 and 49 months.

  Hypothesis test for independent samples t-test

At the 0.10 significance level, can we conclude that the annual rates of return are higher on the big board?

  Tailed test and test statistic

Conduct the following test using 95% level of confidence.

  Give a scenario (preferably related to your area of expertis

Give a scenario (preferably related to your area of expertise or work experience) in which a judgmental forecasting method would be used.  Which particular judgmental forecasting method

  Standard deviation of the resulting distribution

What is the shape mean and standard deviation of the resulting distribution of the sample mean? What is the probability that the mean of the sample of 42 is more than 52 hours?

  Differentiate between levels of measurement

Differentiate between the levels of measurement by providing an example of data which can be transformed from one level of measurement to another and another example of data that cannot be transformed.

  How to fulfill two orders using transportation costs

Your company has two warehouses in Detroit and Dallas. Detroit has 150 units ready to ship, Dallas 180 units. You have to fulfill two orders, one for 120 units to New York, and one for 190 units for Las Vegas.

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