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A DB plan provides for an annual pension of a certain percentage of the final 5 years average salary times the number of years of service upon retirement. Retirement is based on the 80 factor which means that an employee can retire at any time that the sum of age plus years of service is greater than or equal to 80. An employee age 55 who began work at age 25, is comparing their income for retirement now, to that which they would receive if they stay for another year. They can expect a 5% increase in salary for the following year, which is the same that they received in each of the last 4 years. Find the ratio of the pension income for retirement in 1 year to that for retirement now.
You are estimating the install hours for an electronics upgrade based on the number of components affected. The upgrade for which you are estimating affects 25 components. Given the following equation, select the correct response from each pair.
When considering the comfort and safety of the passenger which result is more relevant . the result from (a) or the probability from part (B) ? Pls explain why
a recent study of robberies for a certain geographic area showed an average of 1 robbery per 20000 people. in a city of
jeff has an opportunity to invest his money. he can make a profit of 8000 with a probability of 0.4 a profit of 15000
If you are using the method of least squares for fitting trends in an annual time series containing 25 consecutive yearly values.
The population standard deviation is σ2 = 7. Test that the population means differ using a 1% significance level.
suppose you are interested in an investment with an uncertain return. you think that the return could be modeled as a
Then use ogive to estimate median and first and third quartiles. Also utilize it to reply following question: What percent of 60 mutual fund loads are less than 75.
In a large western university, 15% of the students are graduate students. If a random sample of 20 students is selected, what is the probability that the sample contains:
question one-sample tests of hypothesisstate the null and alternative hypothesisstate the decision
Describe in some detail how a hypothesis test could be used in some real world context such as business, politics, church, Girl Scouts, school, or perhaps your place of work.
in a random sample of 70 prospectuses in which sales forecasts were disclosed the mean debt to equity ratio prior to
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