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A housing loan corporation states that it sanctions 80% of all housing loans within 7 working days once the verification process is completed. A customer group believes that all housing loans applied to this corporation that are settled within 7 working days is less than 80% of all housing loans. In a sample of 120 housing loan applications, the group found that 92 were settled within 7 working days.
1. Calculate the value of the test statistic.
2. Compute the observed significance of the test.
A study of two kinds of photocopying equipment shows that 61 failures of the first kind of equipment took on the average 80.7 minutes to repair with a standard deviation of 19.4 minutes, whereas 61 failures of the second kind of equipment took on ..
What is the probability that a random sample of 200 customer shipments would contain 188 or fewer on-time deliveries if the true population of on-time deliveries is 96%?
A quadratic revenue function often occurs in practice. The reason is that as more units are produced, the price must be lowered in order to sell them all.
A researcher wants to know if there is a relationship between the number of shopping centers in a state and the retail sales (in billions $) of that state. What is the equation of the regression line
Pizza sales and price, part 2. For the data in Exercise 31, the average Sales was 52,697 pounds (SD = 10,261 pounds), and the correlation between Price and Sales was = - 0.547.
Scenario Three: On Friday's the Elm Street branch opens a second lane (window) during its 8 hours of operation in order to accommodate employees from a local manufacturing plant who want to deposit their paychecks. When a customer in the single line ..
The article "Can We Really Walk Straight?" (American Journal of Physical Anthropology [1992]: 19-27) reported on an experiment in which each of 20 healthy men was asked to walk as straight as possible to a target 60 m away at normal speed. Constru..
question dr. oberg and dr. zelinski are two of the worlds leading researchers in the highly competitive field of
In an instrumentation system, there is a need to take the difference between two signals, one of v1 = 2sin(2π × 60t) + 0.01 sin(2π × 1000t) volts and another of v2 = 2sin(2π ×60t)-0.01 sin(2π ×1000t) volts.
A random sample of 100 workers in this industry has a mean daily wage of $124. Find a 95% confidence interval for the true mean daily wage of all union workers in the industry.
the life in hours of a computer processing unit cpu is modeled by a weibull distribution with parameters szlig 3 and d
one of the major measures of the quality of service provided by an organization is the speed with which the
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