Questions from Business Analytics

Q: In the past week, an ice-cream kiosk sold 15

In the past week, an ice-cream kiosk sold 15 cups of chocolate flavor, 22 cups of vanilla, and 13 cups of strawberry. a. Estimate the probability of sale of each flavor for the following week. b. Defi...

Q: Sue and Dave always spend their evenings together, either cycling or

Sue and Dave always spend their evenings together, either cycling or playing computer games. On an evening with good weather, the probability that Sue prefers cycling is 0.7 and for Dave it is 0.4. Fi...

Q: A grocery shop is taking stock of its inventory. The shopkeeper

A grocery shop is taking stock of its inventory. The shopkeeper found that out of 120 tins with damaged labels, there are 50 tins of beans, 20 tins of sardines, 35 tins of processed meat, and the rest...

Q: A survey of shopping habits found the percentage of respondents that use

A survey of shopping habits found the percentage of respondents that use technology for shopping as shown in Figure 5.30. For example, 17.39% only use online coupons; 21.74% use online coupons and che...

Q: PLE has developed a prototype for a new snow blower for the

PLE has developed a prototype for a new snow blower for the consumer market. This can exploit the company’s expertise in small-gasoline-engine technology and also balance seasonal demand cycles in the...

Q: Based on the scenario in Problem 3, what is the probability

Based on the scenario in Problem 3, what is the probability of first selecting ball 1 and then selecting ball 3? Will it be different if the first ball is replaced in the glass jar? Explain the differ...

Q: The students at Skövde University, Sweden, have elected five candidates

The students at Skövde University, Sweden, have elected five candidates to represent them on the college management council. The committee summarized the age and gender of the members as...

Q: A consumer products company found that 44% of successful products also

A consumer products company found that 44% of successful products also received favorable results from test market research, whereas 11% had unfavorable results but nevertheless were successful. That...

Q: The number of children per family was determined and summarized in the

The number of children per family was determined and summarized in the following table. Find the expected number, variance, and standard deviation of the number of children per family.

Q: Padini Concept, a local retail store in Malaysia, recorded the

Padini Concept, a local retail store in Malaysia, recorded the number of shoes purchased by customers (1 pairs, 2 pairs and 3 pairs) based on the number of clothes purchased (1, 2, and 3) for a random...