Mathematics, 03.03.2021 07:20, QueenB7591
E(x^2)-(E(x))^2 is equal to what?
a. Variance of random variable x
b. Standard deviation of random variable x
c. mean of random variable x
d. 3.5
Answers: 3
Mathematics, 21.06.2019 18:00, joseroblesrivera123
Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126
Answers: 1
Mathematics, 21.06.2019 20:00, 4804397217
A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?
Answers: 2
Mathematics, 21.06.2019 21:00, desirekotta20
An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as
Answers: 1
Mathematics, 21.06.2019 21:40, jacobasencio23
Use sigma notation to represent the following series for 9 terms.
Answers: 2
E(x^2)-(E(x))^2 is equal to what?
a. Variance of random variable x
b. Standard deviation of r...
b. Standard deviation of r...
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