Mathematics, 24.04.2020 19:02 Bigman8518
At a large university, data were collected on the number of sisters and brothers that each student had. Let the random variable XX represent the number of sisters and the random variable YY represent the number of brothers. The distribution of XX has mean 1.00 and standard deviation 0.94. The distribution of YY has mean 1.07 and standard deviation 1.04. What is the mean of the distribution of X YX Y
Answers: 1
Mathematics, 21.06.2019 18:00
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.
Answers: 2
Mathematics, 22.06.2019 00:00
The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z
Answers: 3
At a large university, data were collected on the number of sisters and brothers that each student h...
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