subject
SAT, 23.12.2021 23:50 snikergrace

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?.

ansver
Answers: 3

Another question on SAT

question
SAT, 25.06.2019 15:10
Onstruct the grouped frequency table for the following data. 1, 1, 1, 1, 2, 2, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9
Answers: 2
question
SAT, 26.06.2019 00:00
The alien enemies act of 1798 allowed the president to deport noncitizens considered dangerous. allowed the president to ignore laws he believed unconstitutional. made immigrants wait longer before becoming citizens. made it a crime to criticize the federal government.the alien enemies act of 1798 allowed the president to deport noncitizens considered dangerous. allowed the president to ignore laws he believed unconstitutional. made immigrants wait longer before becoming citizens. made it a crime to criticize the federal government.
Answers: 1
question
SAT, 26.06.2019 05:00
This graph represents four ecosystems. each ecosystem has a different number of species, adding to its biodiversity. different colors represent different species. which statements correctly summarize the data depicted by the graph? 1. ecosystem d has more biodiversity than ecosystem c. 2. ecosystem b has more biodiversity than all the other ecosystems. 3. ecosystem a has more biodiversity than ecosystem b but less biodiversity than ecosystem c. 4. ecosystem b has more biodiversity than ecosystems c and d but less biodiversity than ecosystem a. 5. ecosystem a has more biodiversity than ecosystem c but less biodiversity than ecosystem b.
Answers: 1
question
SAT, 26.06.2019 05:30
Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.
Answers: 1
You know the right answer?
Sean and evan are college roommates who have part-time jobs as servers in restaurants. The distribut...
Questions
question
Mathematics, 28.03.2021 01:10
question
Mathematics, 28.03.2021 01:10
question
Social Studies, 28.03.2021 01:10
question
Mathematics, 28.03.2021 01:10
question
English, 28.03.2021 01:10