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IGNOU MMPC 005 Assignment 2023-24 Question Paper
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1. In a railway reservation office, two clerks are engaged in checking reservation forms. On an average, the first clerk (A1) checks 55% of the forms, while the second (A2) checks the remaining. While A1 has an error rate of 0.03, that of A2 is 0.02. A reservation form is selected at random from the total number of forms checked during a day and is discovered to have an error. Find the probabilities that it was checked by A1 and A2, respectively.
2. “Data used in statistical study is termed as either “Primary” or “Secondary” depending upon whether it was collected specifically for the study in question or for some other purpose.” Explain both the sources of collecting the data in brief.
3. A fair coin is tossed 400 times. Using normal approximation to the binomial, find the probability that a head will occur
a) More than 180 times
b) Less than 195 times.
4. “The primary purpose of forecasting is to provide valuable information for planning the design and operation of the enterprise.” Comment on the statement.
5. Write short notes on any three of the following:-
a) Methods of collecting primary data
b) Decision tree approach
c) Central limit theorem
d) Opinion polls
e) Use of auto-correlations in identifying time series
IGNOU MMPC 005 Solved Assignment 2023-24 Pdf Download Facility
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