Mathematics, 13.01.2021 01:20 jazzwok
Mr. Gupta gave his students a quiz with three questions on it. Let XXX represent the number of questions that a randomly chosen student answered correctly. Here is the probability distribution of XXX along with summary statistics:
X=# correctX 0 1 2 3
P(X) .05 .20 0.50 .25
Mean:μx =1.95
Standard Deviation σX≈0.8
What are the mean and standard deviation of Y?
Answers: 3
Mathematics, 21.06.2019 21:30
The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?
Answers: 1
Mathematics, 22.06.2019 00:00
30 points! here is a you are the new manager at trusty goods wholesale produce. you need to figure out how to adjust the amount of produce in your notes after the events of the day: you got 5 more crates of bananas someone returned 2 crates of apples a worker dropped a crate of grapes (oh no! , you had to throw them out) you sold a crate of bananas you sold 5 crates of apples can you write an expression to describe your day using: "a" for crates of apples "b" for crates of bananas and "g" for crates of grapes? make sure the expression is in simplest form question 2 (3 points) explain your steps using sentences.
Answers: 2
Mathematics, 22.06.2019 00:30
$5400 is? invested, part of it at 11? % and part of it at 8? %. for a certain? year, the total yield is ? $522.00. how much was invested at each? rate?
Answers: 1
Mathematics, 22.06.2019 01:50
Felix wrote several equations and determined that only one of the equations has no solution. which of these equations has no solution?
Answers: 3
Mr. Gupta gave his students a quiz with three questions on it. Let XXX represent the number of quest...
Biology, 23.07.2019 23:30
Biology, 23.07.2019 23:30
Biology, 23.07.2019 23:30
Biology, 23.07.2019 23:30
Mathematics, 23.07.2019 23:30
Social Studies, 23.07.2019 23:30
History, 23.07.2019 23:30
History, 23.07.2019 23:30
History, 23.07.2019 23:30
Chemistry, 23.07.2019 23:30
Mathematics, 23.07.2019 23:30