A Company Has Been Receiving Complaints About the Attitude of Some

question 4

Multiple Choice

A company has been receiving complaints about the attitude of some sales clerks.Over a 10-day period, the total number of complaints was 250.The company wishes to develop a control chart for the number of complaints.What would the lower control limit on the number of complaints per day be for a 3 sigma (99.7%) control chart?

• A)20
• B)0
• C)15
• D)10

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Definitions:

Coin Toss

A coin toss is a basic experiment in probability theory used to demonstrate randomness, with two possible outcomes: heads or tails.

Poisson Distribution

A probability distribution that measures the likelihood of a given number of events happening in a fixed interval of time or space.

Probability Distribution

A mathematical function that gives the likelihoods of various possible results in an experiment.

Binomial Distribution

A probability distribution that describes the number of successes in a fixed number of independent trials, with each trial having only two possible outcomes.