sean and evan are college roommates who have part-time jobs as servers in restaurants. the distribution of sean’s weekly income is approximately normal with mean $225 and standard deviation $25. the distribution of evan’s weekly income is approximately normal with mean $240 and standard deviation $15. assuming their weekly incomes are independent of each other, which of the following is closest to the probability that sean will have a greater income than evan in a randomly selected week?
Answers: 2
SAT, 25.06.2019 22:00
Anna’s mother prepares sauerkraut, a fermented dish made from finely cut cabbage and salt. lactobacillus bacteria present on the surface of the cabbage combine with salt to turn the cabbage into a crunchy, sour dish. what chemical process occurs to create this dish? a. alcoholic fermentation b. cellular respiration c. conservation d. lactic acid fermentation e. photosynthesis
Answers: 1
SAT, 26.06.2019 01:30
How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?
Answers: 1
SAT, 26.06.2019 21:40
Consider a normal distribution of frog weights with u = 500 grams and o = 65 grams. a sample of size 2,000 is drawn from this population. approximately how many of the 2,000 cases would you expect to find between 435 and 565?
Answers: 3
sean and evan are college roommates who have part-time jobs as servers in restaurants. the distribut...
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