DAT 565Wk 3 Discussion Answers

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DAT 565Wk 3 Discussion Answers

Due Thursday

Respond to the following discussion prompt in a minimum of 175 words:

For instance, we could estimate the number of technicians the oil change shop needs to service demand on a Saturday afternoon. Discuss the following:

• What is a random variable?
• How would you differentiate a discrete from a continuous random variable?

Historical data shows that 95% of the laptops produced adhere to specifications. Discuss the following:

• What are the 4 characteristics of a binomial experiment?
• Can we use a binomial distribution to model this process?
• What is the probability that the entire batch unnecessarily has to be tested if in fact 95% of its laptops conform to specifications? (Hint: Use Excel’s =BINOMDIST() function to find the probability.)
• What is the probability that the batch is incorrectly accepted if only 75% of its laptops conform to specifications?

Due Monday

Reply to at least 2 of your classmates or your faculty member. Be constructive and professional.

DAT 565Wk 3 Discussion Answers