Table 5

	Low Price	Medium price	High price
High quality	60	60	80
Low quality	40	20	40

Using table 5 above

1) What is the probability of randomly selecting a low price product 0.330.130.600.300.733.330.95 ?

2) What is the probability of selecting a low quality product and high price 0.330.130.600.300.733.330.95 ?

3) What is the probability of selecting a low quality or high price product 0.330.130.600.300.733.330.95 ?

4) Given a client selects high quality, what is the probability of selecting a mediumpriceproduct 0.330.130.600.300.733.330.95 ?

3

You find the probability of clients ordering your new web social media app follows a normal distribution. If the order mean is 70 and the standard deviation is 20, what is the probability less than 65customers will order your new app ?

4

Assuming a normal distribution, if our sample is 100, the mean for customer satisfaction ratings is 5.9, and the standard deviation is 1.7, what is the probability of a satisfaction rating of less than 6?

5

Your Operations Manager has sample data for 100 competitors. She asks you to estimate the mean time-to-buy products with a 95% confidence level for the competition. Use a mean of 50 and the standard deviation is 10. Provide the lower confidence interval?