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Business and Management
A recent study considered the effects of innovation on employment in Latin America.7 It seems reasonable that as more firms produce new products, they would need more workers, and employment would rise. For small firms in Argentina, let y be the yearly percentage of employment growth and x be the percentage of small firms that are product or process innovators. Assume the estimated regression line is y = 25.399 + 5.790x.
a. Find the expected percentage in employment growth if the percentage of product or process innovators is 2%.
b. Find an estimate of an observed value y for x = 3.5.
c. Suppose σ = 1.5. Find the probability that an observed y value is more than 19 when x = 4.
d. Suppose x = 0.9%. Find the expected value of y and interpret this result.
The average time it took then to change a water pump was 18 minutes. The SD of the sample was 3. Find the 99% of the interval of the true mean.
ample of fifteen 8 ounce Baby Ruth candy bars are weighed and it is found sample standard deviation is 0.6 ounces. Test company's claim at (alpha sign) is 0.05.
Assume that a lot from product 5% non-conforming is submitted. Using Poisson Distribution compute the approximate probabilities that: the lot will be accepted and still in a reduced inspection.
Consider the experiment- "the next integer generated." Define the following: Event A = "Odd number" = (1,3,5,7) and Event B "number more than 4" = 5,6,7,8.
Translate the following arguments into symbolic form.- If birth-control devices are made available in high school clinics, then the incidence of teenage pregnancy will decrease.
The Ludlow Wildcats baseball team, a minor league team in the Cleveland Indians orgainzation, plays 70 precent of their games at night and 30 percent during the day.
Refer to Questionnaire color Problem 16.8. It has been suggested to the investigator that size of parking lot might be a useful concomitant variable. The number of spaces (Xij ) in each parking lot utilized in the study follow.
The average age which men marry for the first time in the bayside queens area is 24.9 years old with a standard deviation of 3.0 years. For a random sample of 81 men what is the standard error of the mean?
An independent-measures t test produced a t statistic with df=20. If the same data had been evaluated with an analysis of variance, what would be the df values for the F-ratio?
a coin is tossed until obtainning a head or tossing it up to three times whatever happens first. if x represent the
The average chain length of a polymer produced in a batch reactor is given as 200 units, where chain length itself is known to be a geometric random variable. What fraction of the polymer product is expected to have chains longer than 200 unit..
For the CDMA system in Problem 8.3.9, we wish to use Matlab to evaluate the bit error rate (BER) performance of the decorrelater introduced Problem 8.3.10. In particular, we want to estimate Pe, the probability that for a set of randomly chosen co..
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