SAT, 14.12.2021 01:00 alexam2007
The distribution of random variable rr has mean 10 and standard deviation 4. The distribution of random variable ss has mean 7 and standard deviation 3. If rr and ss are independent, what are the mean and standard deviation of the distribution of r−sr−s ?.
Answers: 2
SAT, 26.06.2019 05:00, Tcareyoliver
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
SAT, 26.06.2019 05:30, julk89
An ecosystem is shown in the illustration. assume that human activities have led to a decrease in the number of eagles. a virus attack on rabbits has led to a decrease in their population in the ecosystem. which two sentences describe likely effects on the ecosystem? 1. there’s an increase in the number of snakes and insects and a decrease in the number of frogs. 2. there’s an increase in the number of snakes and insects, and the storks face increased competition for food. 3. there’s an increase in the number of storks and a decrease in the number of snakes and insects. 4. there’s an increase in the number of frogs and a decrease in the number of storks and insects. 5. there’s a decrease in the number of snakes, insects, and frogs.
Answers: 1
SAT, 26.06.2019 18:30, Giovanni0312
The press is free to say whatever they want about whomever they want, regardless of whether they know it’s true. true false
Answers: 1
SAT, 27.06.2019 23:00, tiggyandrep2dbee
What is 7/81 as a percentage? round your answer to the nearest tenth of a percent.
Answers: 1
The distribution of random variable rr has mean 10 and standard deviation 4. The distribution of ran...
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