subject
Mathematics, 11.12.2020 06:20 TheViperMlg23676

Chris and Alex are friends who have summer jobs as waiters. The distribution of Chris’s weekly tips is approximately normal with mean $225 and standard deviation $25. Alex works at a different restaurant; the distribution of his weekly tips is approximately normal with mean $240 and standard deviation $15. Assuming their weekly tips are independent, which is the probability that Chris will make more in tips than Alex in a randomly selected week? Show your work. (A) 0.067
(B) 0.159
(C) 0.227
(D) 0.303
(E) 0.354

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:40
Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882
Answers: 1
question
Mathematics, 21.06.2019 19:00
The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse
Answers: 1
question
Mathematics, 21.06.2019 19:30
Consider this equation. |y + 6| = 2 what can be concluded of the equation? check all that apply. there will be one solution. there will be two solutions. the solution to –(y + 6) = 2 will be also be a solution to the given absolute value equation. the solution(s) will be the number(s) on the number line 2 units away from –6. the value of y must be positive since the variable is inside absolute value signs.
Answers: 1
question
Mathematics, 21.06.2019 19:40
An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called
Answers: 3
You know the right answer?
Chris and Alex are friends who have summer jobs as waiters. The distribution of Chris’s weekly tips...
Questions
question
English, 04.04.2020 11:03
question
History, 04.04.2020 11:03