Mathematics, 01.05.2021 02:30 PrincessIndia
Four buses carrying 150 football fans from the same school arrive at a football stadium. The buses carry, respectively, 20, 45, 35, and 50 students. One of the fans is randomly selected. Let X denote the number of fans that were on the bus carrying the randomly selected person. One of the 4 bus drivers is also randomly selected. Let Y denote the fans of students on his bus. Compute E(X) and Var(X).
Answers: 3
Mathematics, 21.06.2019 21:30
The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer
Answers: 1
Mathematics, 22.06.2019 02:30
Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75
Answers: 1
Mathematics, 22.06.2019 03:10
(co 3) the times that customers spend in a book store are normally distributed with a mean of 39.5 minutes and a standard deviation of 9.4 minutes. a random sample of 25 customers has a mean of 36.1 minutes or less. would this outcome be considered unusual, so that the store should reconsider its displays? no, the probability of this outcome at 0.035, would be considered usual, so there is no problem yes, the probability of this outcome at 0.035, would be considered unusual, so the display should be redone no the probability of this outcome at 0.359 would be considered usual, so there is no problem yes, the probability of this outcome at 0.965 would be considered unusual, so the display should be redone
Answers: 1
Mathematics, 22.06.2019 04:10
Acute identify < 1 and < 2 select all that apply of the following acute, right,obtuse, adjacent,vertical,complementary, supplementary
Answers: 2
Four buses carrying 150 football fans from the same school arrive at a football stadium. The buses c...
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