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A particular branch of a bank has 30 full-time operating staff that includes branch manager, assistant managers, loan officers, clerks and security personnel. Because of the demonetarization issue banks are running 7 days a week and the bank does not have full complement of staff to handle the increased customer crowd.
In addition there are times when staff are absent as they are getting sick because of the increased stress levels. The branch manager conducted an audit to determine if there is any kind of strong relationship between the number of staff absent and the average time that the customer had to stand in the queues inside the bank. The following was his observation from the past 10 days information:
No. of staff absent: 1 3 8 0 4 2 3 5 9 7
Avg. waiting Time (in mins): 5 12 30 6 16 15 20 22 27 24
NEGATIVE BINOMIAL DISTRIBUTION A random variable X has a negative binomial distribution and it is referred to as a negative binomial random variable if and only if
Most compilers can produce a source listing of the program being compiled. This listing is usually just a copy of the source file, perhaps embellished with line numbers and page breaks. Assume you are to produce a pretty printed listing.
A random sample of 35 water drops was obtained, the amount of water in each (in ml) was measured, and the summary statistics were x‾ = 10.004 and s = 0.558. Is there any evidence to suggest the variance is larger than specified? Assume normality an..
a client gives you a data set of 30 observed values that represent the number of gallons of gas that 30 individual
In an effort to reduce customer dissatisfaction with delays in replacing lost automated teller machine (ATM) cards, some retail banks monitor the time required to replace a lost ATM card.
1. Rabbits like to eat the cucumbers in Mimi's garden. There are 10 cucumbers in her garden which will be ready to harvest in about 10 days. Based on her experience, the probability of a cucumber being eaten by the rabbits before harvest is 0.30.
The grades on a statistics midterm test are normally distributed with a mean of 78 and a standard deviation of 6
As a Manager what strategy you will adopt so that you are able to efficiently manage the cash in business - Cost of units remaining work- in- progress Account is transferred to work- in- progress Inventory Account You are required to compute all po..
a report states that 38 of home owners had a vegetable garden. how large a sample is needed to estimate the true
a paired t-test was performed to test the null hypothesis h0 ?d 0 versus the alternative h1 ?d ? 0. the observed test
seventy percent of the bicycles sold by a certain store are mountain bikes. among 100 randomly selected bike purchases
The data in Table 22.1 is a record of the measurements determined over the ?rst hour of a shift. Obtain an X-bar chart and identify whether or not the manufacturing process is "in-control".
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