Each of n workers is independently qualified to do an incoming job with probability p. If none of them is qualified then the job is rejected; otherwise, the job is assigned to a randomly chosen one of the qualified workers. Find the probability that worker 1 is assigned to the first job. Hint: Condition on whether or not at least one worker is qualified.

Asalsa recipe uses green pepper, onion, and tomato in the extended ratio 3: 5: 7. how many cups of tomato are needed to make 105 cups of salsa? a. 7 b. 21 c. 35 d. 49

Tom and lilly rented a house for $12,000 last year. at the start of the year they bought the house they had been renting directly from the owner for $250,000. they believe they could rent it for $12,000 this year, but stay in the house. how much does tom and lilly’s decision to buy the house change gdp? a. it reduces gdp by $12,000 b. it does not change gdp c. it raises gdp by $238,000 d. it raises gdp by $250,000

Find the median of the set of data this box-and-whisker plot represents. 15 16 17 18