Use the Following to Answer the Question(s) Below

question 65

Multiple Choice

Use the following to answer the question(s) below.
A men's clothing store has determined the following probability distribution for the number of special size orders placed per month. The distribution is as follows:
Number Ordered Probability
0 0.10
5 0.10
10 0.12
15 0.30
20 0.38
-The standard deviation of the number of special size orders placed per month is

• A) 24.516.
• B) 4.95.
• C) 15.345.
• D) 6.60.
• E) 3.88.

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