Unix Machine


Sun Microsystems has approximately 50% of the high-end Unix machines market with its closest competitor being IBM. Suppose that 15 firms were in the market to purchase a high-end Unix machine. Assume that these firms listened to sales pitches by all the major players selling high-end Unix machines.

a) What are the mean and the standard deviation of the number of firms that purchase a Unix machine from Sun Microsystems?

b) What is the probability that exactly 8 firms purchase a Unix machine from Sun Microsystems?

c) What is the probability that between 5 and 10 firms, inclusively, purchase a Unix machine from Sun Microsystems?


Learning objectives are tied to content standards and indicate what  the students will be able to do at the end of the lesson.

Example: CCSS.ELA-Literacy.W.5.1a – Introduce a topic  or text clearly, state an opinion, and create an organizational  structure in which ideas are logically grouped to support the  writer’s purpose.

Learning Objective: Student will be able to craft an introductory  paragraph for a persuasive essay.

Aligning the goals, learning objectives, instruction, and assessment  is a critical skill for all educators. Given the above learning  objective, discuss an assessment that would measure the desired goal.  Indicate whether it is a formative, summative, formal, or informal  assessment. Support your answer with a peer-reviewed scholarly source.

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