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A machine has three components working independently. The probability that Component A fails is 0.1, the probability that component B fails is 0.2, and the probability that component C fails is 0.3.
(A) What is the probability that none of the components will fail ???
(B) What is the probability that at least one component will fail ???
(C) What is the probability that only one component will fail ? That is, what is the probability that one component will fail, but the other two will not fail ?? PLS show all work.
A random sample of 90 printers discovered that 25 of them were being used in small businesses. Find the 95% limit for the population proportion of printers that are used in small buisnesses.
The following estimated regression model was developed relating yearly income (Y in $1,000s) of 30 individuals with their age (X 1 ) and their gender (X 2 ) (0 if male and 1 if female).
A sample of eight male professionals has an average yearly salary of $52,165. Find the average yearly salary for the 11 people.
Test the equality of the means of three populations.
What is the percent difference between the two amounts relative to the amount for mathematics majors (round to the nearest percent)?
The cost accountant for Blue Pharmaceuticals has informed you that the company's materials quantity variance for the drug Allegro was exactly equal to its materials price variance for the year.
The management of a department store is interested in estimating the difference between the mean credit purchases of customers using the store's credit card versus those customers using a national major credit card.
Find out the range of the following set of whole numbers: 12, 13, 15, 17, 12, 18, 12, 19, 13, 12, 14, 13, 12, 15
Computing the mean and standard deviation for the given data - Find the value for the new standard deviation
Public transportation and the automobile are two methods an employee can use to get to work each day. Samples of times recorded for each method are shown. Times are in minutes.
The Precision Scientific Instrument Company manufactures thermometers which are supposed to give readings of 0o C at the freezing point of water.
The assembly time for a product is uniformly distributed between 6 to 10 minutes.
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