Manufacturer's specifications for a solenoid states that the failure rate is 0.0012 failures/hr.a) Assuming constant failure rate, calculate the MTTF (in hrs) of this solenoid.b) What is the median time (in hour units) for this component?c) What is the probability that the solenoid will fail within the first 50 hrs of operation followinginstallation (to 2 decimal places).d) Given that the solenoid has not failed within the first 50 hrs of operation, what will be itsreliability after another 50 hrs of operation (to 2 decimal places)?e) What is the value of t (in hrs) for the highest reliability of the component?

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Answered: Manufacturer's specifications for a…

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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In a trial of 138 patients who received 10-mg doses of a drug daily, 33 reported headache as a side effect. Obtain a point estimate for the population proportion of patients who received 10-mg doses of a drug daily and reported headache as a side effect. •.. (Round to two decimal places as needed.)
A transportation engineering study requires that you determine the number of cars that pass through an intersection traveling during morning rush hour. You stand at the side of the road and count the number of cars that pass every 4 minutes at several times as tabulated below. Use the best numerical method to determine (a) the total number of cars that pass between 7:30 and 9:15, and (b) the rate of cars going through the intersection per minute. (Hint: Be careful with units.)
A measure of social anxiety classifies people as having social anxiety disorder if they score in the upper 5%of the population. Determine the cut score for this diagnosis, given that the measure has μ=60 and σ=12
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Total plasma volume is important in determining the required plasma component in blood replacement therapy for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that a random sample of 42 male firefighters are tested and that they have a plasma volume sample mean of x = 37.5 ml/kg (milliliters plasma per kilogram body weight). Assume that σ = 8.00 ml/kg for the distribution of blood plasma. (a)margin of error (b)What conditions are necessary for your calculations? (Select all that apply.) σ is known the distribution of weights is normal σ is unknown n is large the distribution of weights is uniform
Look at the table that lists SAT scores before and after a sample of five students took a prep class and explain a Type I error and Type II error pertaining to the problem. Ho: u=0 Ha:u>0 Student 1 2 3 4 5 SAT score before class 700 840 830 860 600 SAT score after class 720 840 820 900 700
the critical value of chi-square is what when degrees of freedom equal 4 and a equals .05.?
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In a trial of 218 patients who received 10-mg doses of a drug daily, 48 reported headache as a side effect. Obtain a point estimate for the population proportion of patients who received 10-mg doses of a drug daily and reported headache as a side effect. D(Round to two decimal places as needed.)
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A medical researcher says that less than 83% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 600 adults in that country, 80% think that healthy children should be required to be vaccinated. At a = 0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (Round to two decimal places as needed. Use a comma to separate answers as needed.) Identify the rejection region(s). Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to two decimal places as needed.) O A. The rejection region is O C. The rejection region is z> O D. The rejection region isz< (c) Find the standardized test statistic z. (Round to two decimal places as needed.)
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