# Question: Sally Firefly purchases hardwood lumber for a custom furniture building shop

Sally Firefly purchases hardwood lumber for a custom furniture-building shop. She uses three suppliers, Northern Hardwoods, Mountain Top, and Spring Valley.

Lumber is classified as either clear or has defects, which includes 20% of the pile. A recent analysis of the defect lumber pile showed that 30% came from Northern Hardwoods and 50% came from Mountain Top. Analysis of the clear pile indicates that 40% came from Northern and 40% came from Spring Valley.

What is the percent of clear lumber from each of the three suppliers? What is the percent of lumber from each of the three suppliers?

Lumber is classified as either clear or has defects, which includes 20% of the pile. A recent analysis of the defect lumber pile showed that 30% came from Northern Hardwoods and 50% came from Mountain Top. Analysis of the clear pile indicates that 40% came from Northern and 40% came from Spring Valley.

What is the percent of clear lumber from each of the three suppliers? What is the percent of lumber from each of the three suppliers?

**View Solution:**## Answer to relevant Questions

Robert Smith uses either regular plowing or minimal plowing to prepare the cornfields on his Minnesota farm. Regular plowing was used for 40% of the field acreage. Analysis after the crop was harvested showed that 50% of the ...A department store manager has monitored the number of complaints received per week about poor service. The probabilities for numbers of complaints in a week, established by this review, are shown in the following table. Let ...The probability of A is 0.60, the probability of B is 0.45, and the probability of both is 0.30. What is the conditional probability of A, given B? Are A and B independent in a probability sense? A student committee has 6 members-4 undergraduate and 2 graduate students. A subcommittee of 3 members is to be chosen randomly so that each possible combination of 3 of the 6 students is equally likely to be selected. What ...A mail-order firm considers three possible events in filling an order: A: The wrong item is sent. B: The item is lost in transit. C: The item is damaged in transit. Assume that A is independent of both B and C and that B and ...Post your question