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, 23.06.2019 22:30, radcon8099
Assessment includes a. interviews, recorded conversations, videos, frequency counts, and time samples. b. formal standardized tests and developmental screening tools. c. various types of documented observations, documentation of child work, checklists, rating scales, and standardized tests. d. anecdotal notes, narratives or daily records, daily health checks, and teacher observation checklists.
Answers: 2
SAT, 27.06.2019 06:00, silveryflight
The equation 24x2+25x−47ax−2=−8x−3−53ax−2 is true for all values of x≠2a, where a is a constant. what is the value of a? a) -16b) -3c) 3d) 16
Answers: 1
sean and evan are college roommates who have part-time jobs as servers in restaurants. the distribut...
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